diff --git a/.nojekyll b/.nojekyll
index e87cb9a..e9e2250 100644
--- a/.nojekyll
+++ b/.nojekyll
@@ -1 +1 @@
-247e82c0
\ No newline at end of file
+249abd75
\ No newline at end of file
diff --git a/materials/d1-01-welcome/index.html b/materials/d1-01-welcome/index.html
index 4f61c4a..4d5f37c 100644
--- a/materials/d1-01-welcome/index.html
+++ b/materials/d1-01-welcome/index.html
@@ -368,7 +368,7 @@ <h2>Workshop Policies</h2>
 <h2>Meet the Team!</h2>
 <div class="columns">
 <div class="column" style="width:50%;">
-<div id="fig-539a35d47e664c97a50115a146a7f1bd-1" class="quarto-figure quarto-figure-center" data-fig-align="center" width="70%" alt="Eric Nantz">
+<div id="fig-539a35d47e664c97a50115a146a7f1bd-1" class="quarto-figure quarto-figure-center" data-fig-align="center" alt="Eric Nantz" width="70%">
 <figure class="quarto-float quarto-float-fig">
 <div>
 <img data-src="assets/img/people/enantz.jpg" id="fig-539a35d47e664c97a50115a146a7f1bd-1" class="quarto-figure-center" style="width:70.0%" alt="Eric Nantz">
diff --git a/materials/d1-03-performance/index.html b/materials/d1-03-performance/index.html
index a2e2e4a..e9cba74 100644
--- a/materials/d1-03-performance/index.html
+++ b/materials/d1-03-performance/index.html
@@ -10,7 +10,6 @@
 <link href="../../site_libs/quarto-html/quarto-syntax-highlighting.css" rel="stylesheet" id="quarto-text-highlighting-styles"><meta charset="utf-8">
   <meta name="generator" content="quarto-1.4.369">
 
-  <meta name="author" content="TBD">
   <title>Shiny in Production - Performance</title>
   <meta name="apple-mobile-web-app-capable" content="yes">
   <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
@@ -399,13 +398,21 @@ <h1 class="title">Performance</h1>
   <p class="subtitle">posit::conf(2023) <br> Shiny in Production: Tools &amp; Techniques</p>
 
 <div class="quarto-title-authors">
-<div class="quarto-title-author">
-<div class="quarto-title-author-name">
-TBD 
-</div>
-</div>
 </div>
 
+</section>
+<section id="performance-agenda" class="slide level2">
+<h2>Performance Agenda</h2>
+<ul>
+<li class="fragment">Profiling your Shiny app with {profvis}</li>
+<li class="fragment">Lightning-quick data loading/querying with {arrow} &amp; <em>.parquet</em> files</li>
+<li class="fragment">Asynchronous processes with {crew}</li>
+</ul>
+</section>
+<section>
+<section id="profvis-an-r-package-for-profiling-r-code-including-shiny-apps" class="title-slide slide level1 center">
+<h1>{profvis}: an R package for profiling R code <br>(including Shiny apps)</h1>
+
 </section>
 <section id="what-is-profvis" class="slide level2">
 <h2>What is {profvis}?</h2>
@@ -478,6 +485,66 @@ <h2>Demo!</h2>
 <li>Describe the flamegraph, change the filters to only show events that took time</li>
 <li>Navigate to the ‘data’ tab and discuss what took the most time</li>
 </ul>
+<style type="text/css">
+        span.MJX_Assistive_MathML {
+          position:absolute!important;
+          clip: rect(1px, 1px, 1px, 1px);
+          padding: 1px 0 0 0!important;
+          border: 0!important;
+          height: 1px!important;
+          width: 1px!important;
+          overflow: hidden!important;
+          display:block!important;
+      }</style></aside>
+</section></section>
+<section>
+<section id="arrow-the-.parquet-file-format" class="title-slide slide level1 center">
+<h1>{arrow} &amp; the <em>.parquet</em> file format</h1>
+
+</section>
+<section id="what-are-.parquet-files" class="slide level2">
+<h2>What are <em>.parquet</em> files?</h2>
+<ul>
+<li class="fragment"><em>.parquet</em> is a <em>columnar</em> storage format</li>
+<li class="fragment"><em>.parquet</em> files not only store data, but they also store metadata about your data (i.e., data types for each column, number of rows in the file, etc.)</li>
+<li class="fragment">Smaller files</li>
+<li class="fragment">Faster read speed</li>
+</ul>
+<aside class="notes">
+<ul>
+<li>HOT TAKE INCOMING: parquet is the new csv</li>
+<li>parquet files typically are the data structure that lives behind projects like the open source Delta Lake</li>
+<li>faster across pretty much all benchmarks</li>
+</ul>
+<style type="text/css">
+        span.MJX_Assistive_MathML {
+          position:absolute!important;
+          clip: rect(1px, 1px, 1px, 1px);
+          padding: 1px 0 0 0!important;
+          border: 0!important;
+          height: 1px!important;
+          width: 1px!important;
+          overflow: hidden!important;
+          display:block!important;
+      }</style></aside>
+</section>
+<section id="what-is-the-arrow-r-package" class="slide level2">
+<h2>What is the {arrow} R package?</h2>
+<ul>
+<li class="fragment">Part of the larger Apache Arrow project</li>
+<li class="fragment">Connect to your data with {arrow}…</li>
+<li class="fragment">… and query it with {dplyr}</li>
+</ul>
+<div class="fragment">
+<p><a href="https://arrow.apache.org/">Apache Arrow Homepage</a></p>
+<p><a href="https://posit.co/blog/shiny-and-arrow/">Shiny + Arrow Article</a></p>
+<aside class="notes">
+<ul>
+<li>“multi-language toolbox for accelerated data interchange and in-memory processing”</li>
+<li>I.e., a set of data manipulation standards (particularly against parquet files) that has been implemented in a bunch of languages including R, Python, Rust, Go, and more</li>
+<li>{arrow} let’s you use {dplyr} verbs against a single parquet file (or, perhaps more importantly, a <em>set</em> of parquet files) to query the data in those files</li>
+<li>When it comes to building Shiny apps, we should look for easy places where we can gain efficiency &amp; speed to improve our user experience (you don’t want users waiting 20 seconds for your data prep logic to run against a single massive csv); it’s very likely that the combination of .parquet + {arrow} + {dplyr} can meet your app performance needs (it does for at least 95% of my use cases – there are very few cases where I have to go beyond that and start looking into other engines for faster data manipulation)</li>
+</ul>
 <style type="text/css">
         span.MJX_Assistive_MathML {
           position:absolute!important;
@@ -493,7 +560,8 @@ <h2>Demo!</h2>
 <div class="footer footer-default">
 <p><a href="https://posit-conf-2023.github.io/shiny-r-prod">posit-conf-2023.github.io/shiny-r-prod</a></p>
 </div>
-</section>
+</div>
+</section></section>
     </div>
   </div>
 
diff --git a/materials/d1-9001-loadtesting/index.html b/materials/d1-9001-loadtesting/index.html
index 213e59d..905548a 100644
--- a/materials/d1-9001-loadtesting/index.html
+++ b/materials/d1-9001-loadtesting/index.html
@@ -484,7 +484,7 @@ <h2>The log</h2>
 {"type":"WS_SEND","begin":"2023-09-07T13:04:17.805Z","message":"[\"D#0|m|{\\\"method\\\":\\\"update\\\",\\\"data\\\":{\\\"n_parts_display\\\":\\\"20\\\"}}\"]"}
 {"type":"WS_CLOSE","begin":"2023-09-07T13:04:35.561Z"}</code></pre>
 <div class="fragment">
-<div id="fig-539a35d47e664c97a50115a146a7f1bd-2" class="absolute quarto-figure quarto-figure-center" width="500px" height="500px" data-top="50" data-right="250" style="top: 50px; right: 250px; width: 500px; height: 500px; ">
+<div id="fig-539a35d47e664c97a50115a146a7f1bd-2" class="absolute quarto-figure quarto-figure-center" height="500px" width="500px" data-top="50" data-right="250" style="top: 50px; right: 250px; width: 500px; height: 500px; ">
 <figure class="quarto-float quarto-float-fig">
 <div>
 <img data-src="assets/img/confused_minifig.jpg" id="fig-539a35d47e664c97a50115a146a7f1bd-2" class="absolute" style="top: 50px; right: 250px; width: 500px; height: 500px; ">
diff --git a/schedule.html b/schedule.html
index 7d33c84..cd699e1 100644
--- a/schedule.html
+++ b/schedule.html
@@ -206,7 +206,7 @@ <h1 class="title">Workshop Schedule</h1>
 </tr>
 </thead>
 <tbody class="list">
-<tr data-index="0" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694917209422" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="27" data-listing-title-sort="Welcome &amp; Setup" data-listing-filename-sort="d1-01-welcome.qmd">
+<tr data-index="0" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694920619503" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="27" data-listing-title-sort="Welcome &amp; Setup" data-listing-filename-sort="d1-01-welcome.qmd">
 <td>
 <span class="listing-subtitle">9:00 - 9:30</span>
 </td>
@@ -217,7 +217,7 @@ <h1 class="title">Workshop Schedule</h1>
 <span class="listing-author">Eric Nantz &amp; Michael Thomas</span>
 </td>
 </tr>
-<tr data-index="1" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694917209422" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="32" data-listing-title-sort="Application Structure" data-listing-filename-sort="d1-02-structure.qmd">
+<tr data-index="1" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694920619503" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="32" data-listing-title-sort="Application Structure" data-listing-filename-sort="d1-02-structure.qmd">
 <td>
 <span class="listing-subtitle">9:30 - 10:30</span>
 </td>
@@ -228,7 +228,7 @@ <h1 class="title">Workshop Schedule</h1>
 <span class="listing-author">Eric Nantz &amp; Michael Thomas</span>
 </td>
 </tr>
-<tr data-index="2" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694917209422" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="34" data-listing-title-sort="Coffee &amp; refreshments break" data-listing-filename-sort="d1-02b-break.qmd">
+<tr data-index="2" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694920619503" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="34" data-listing-title-sort="Coffee &amp; refreshments break" data-listing-filename-sort="d1-02b-break.qmd">
 <td>
 <span class="listing-subtitle">10:30 - 11:00</span>
 </td>
@@ -239,7 +239,7 @@ <h1 class="title">Workshop Schedule</h1>
 <span class="listing-author">&nbsp;</span>
 </td>
 </tr>
-<tr data-index="3" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694917209422" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="27" data-listing-title-sort="Performance" data-listing-filename-sort="d1-03-performance.qmd">
+<tr data-index="3" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694920619503" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="27" data-listing-title-sort="Performance" data-listing-filename-sort="d1-03-performance.qmd">
 <td>
 <span class="listing-subtitle">TBD</span>
 </td>
@@ -250,7 +250,7 @@ <h1 class="title">Workshop Schedule</h1>
 <span class="listing-author">Eric Nantz &amp; Michael Thomas</span>
 </td>
 </tr>
-<tr data-index="4" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694917209422" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="108" data-listing-title-sort="Lunch break" data-listing-filename-sort="d1-03b-lunch.qmd">
+<tr data-index="4" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694920619503" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="108" data-listing-title-sort="Lunch break" data-listing-filename-sort="d1-03b-lunch.qmd">
 <td>
 <span class="listing-subtitle">12:30 - 13:30</span>
 </td>
@@ -261,7 +261,7 @@ <h1 class="title">Workshop Schedule</h1>
 <span class="listing-author">&nbsp;</span>
 </td>
 </tr>
-<tr data-index="5" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694917209422" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="27" data-listing-title-sort="Deployment &amp; Administration" data-listing-filename-sort="d1-04-deploy-admin.qmd">
+<tr data-index="5" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694920619503" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="27" data-listing-title-sort="Deployment &amp; Administration" data-listing-filename-sort="d1-04-deploy-admin.qmd">
 <td>
 <span class="listing-subtitle">TBD</span>
 </td>
@@ -272,7 +272,7 @@ <h1 class="title">Workshop Schedule</h1>
 <span class="listing-author">Eric Nantz &amp; Michael Thomas</span>
 </td>
 </tr>
-<tr data-index="6" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694917209422" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="34" data-listing-title-sort="Coffee &amp; refreshments break" data-listing-filename-sort="d1-04b-break.qmd">
+<tr data-index="6" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694920619503" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="34" data-listing-title-sort="Coffee &amp; refreshments break" data-listing-filename-sort="d1-04b-break.qmd">
 <td>
 <span class="listing-subtitle">15:00 - 15:30</span>
 </td>
@@ -283,7 +283,7 @@ <h1 class="title">Workshop Schedule</h1>
 <span class="listing-author">&nbsp;</span>
 </td>
 </tr>
-<tr data-index="7" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694917209422" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="27" data-listing-title-sort="Load Testing" data-listing-filename-sort="d1-9001-loadtesting.qmd">
+<tr data-index="7" data-listing-date-sort="1694995200000" data-listing-file-modified-sort="1694920619503" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="1" data-listing-word-count-sort="27" data-listing-title-sort="Load Testing" data-listing-filename-sort="d1-9001-loadtesting.qmd">
 <td>
 <span class="listing-subtitle">TBD</span>
 </td>
diff --git a/search.json b/search.json
index e0b0abe..db46663 100644
--- a/search.json
+++ b/search.json
@@ -1,4 +1,11 @@
 [
+  {
+    "objectID": "materials/d1-03-performance/index.html#performance-agenda",
+    "href": "materials/d1-03-performance/index.html#performance-agenda",
+    "title": "Performance",
+    "section": "Performance Agenda",
+    "text": "Performance Agenda\n\nProfiling your Shiny app with {profvis}\nLightning-quick data loading/querying with {arrow} & .parquet files\nAsynchronous processes with {crew}"
+  },
   {
     "objectID": "materials/d1-03-performance/index.html#what-is-profvis",
     "href": "materials/d1-03-performance/index.html#what-is-profvis",
@@ -25,7 +32,21 @@
     "href": "materials/d1-03-performance/index.html#demo",
     "title": "Performance",
     "section": "Demo!",
-    "text": "Demo!\n\n\n\nShow how to change the dev/run_dev.R script to enable {profvis} profiling\nLaunch the app, navigate to the “Overview” page, and change a filter\nStop the app, and wait for the report to load\nDescribe the flamegraph, change the filters to only show events that took time\nNavigate to the ‘data’ tab and discuss what took the most time\n\n\n\n\nposit-conf-2023.github.io/shiny-r-prod"
+    "text": "Demo!\n\n\n\nShow how to change the dev/run_dev.R script to enable {profvis} profiling\nLaunch the app, navigate to the “Overview” page, and change a filter\nStop the app, and wait for the report to load\nDescribe the flamegraph, change the filters to only show events that took time\nNavigate to the ‘data’ tab and discuss what took the most time"
+  },
+  {
+    "objectID": "materials/d1-03-performance/index.html#what-are-.parquet-files",
+    "href": "materials/d1-03-performance/index.html#what-are-.parquet-files",
+    "title": "Performance",
+    "section": "What are .parquet files?",
+    "text": "What are .parquet files?\n\n.parquet is a columnar storage format\n.parquet files not only store data, but they also store metadata about your data (i.e., data types for each column, number of rows in the file, etc.)\nSmaller files\nFaster read speed\n\n\n\nHOT TAKE INCOMING: parquet is the new csv\nparquet files typically are the data structure that lives behind projects like the open source Delta Lake\nfaster across pretty much all benchmarks"
+  },
+  {
+    "objectID": "materials/d1-03-performance/index.html#what-is-the-arrow-r-package",
+    "href": "materials/d1-03-performance/index.html#what-is-the-arrow-r-package",
+    "title": "Performance",
+    "section": "What is the {arrow} R package?",
+    "text": "What is the {arrow} R package?\n\nPart of the larger Apache Arrow project\nConnect to your data with {arrow}…\n… and query it with {dplyr}\n\n\nApache Arrow Homepage\nShiny + Arrow Article\n\n\n“multi-language toolbox for accelerated data interchange and in-memory processing”\nI.e., a set of data manipulation standards (particularly against parquet files) that has been implemented in a bunch of languages including R, Python, Rust, Go, and more\n{arrow} let’s you use {dplyr} verbs against a single parquet file (or, perhaps more importantly, a set of parquet files) to query the data in those files\nWhen it comes to building Shiny apps, we should look for easy places where we can gain efficiency & speed to improve our user experience (you don’t want users waiting 20 seconds for your data prep logic to run against a single massive csv); it’s very likely that the combination of .parquet + {arrow} + {dplyr} can meet your app performance needs (it does for at least 95% of my use cases – there are very few cases where I have to go beyond that and start looking into other engines for faster data manipulation)\n\n\n\n\nposit-conf-2023.github.io/shiny-r-prod"
   },
   {
     "objectID": "materials/d1-02-structure/codealong-1.html",
diff --git a/sitemap.xml b/sitemap.xml
index 3a56333..e25a76d 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -2,82 +2,82 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/materials/d1-03-performance/index.html</loc>
-    <lastmod>2023-09-17T02:20:09.354Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.439Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/materials/d1-02-structure/codealong-1.html</loc>
-    <lastmod>2023-09-17T02:20:09.354Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.435Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/materials/d1-02-structure/index.html</loc>
-    <lastmod>2023-09-17T02:20:09.354Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.435Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/materials/d1-9001-loadtesting/index.html</loc>
-    <lastmod>2023-09-17T02:20:09.382Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.467Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/setup.html</loc>
-    <lastmod>2023-09-17T02:20:09.418Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.499Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/units/d1-9001-loadtesting.html</loc>
-    <lastmod>2023-09-17T02:20:09.422Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.503Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/units/d1-03-performance.html</loc>
-    <lastmod>2023-09-17T02:20:09.422Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.503Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/units/d1-04b-break.html</loc>
-    <lastmod>2023-09-17T02:20:09.422Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.503Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/units/d1-03b-lunch.html</loc>
-    <lastmod>2023-09-17T02:20:09.422Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.503Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/LICENSE.html</loc>
-    <lastmod>2023-09-17T02:20:09.250Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.335Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/index.html</loc>
-    <lastmod>2023-09-17T02:20:09.314Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.395Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/schedule.html</loc>
-    <lastmod>2023-09-17T02:20:09.418Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.499Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/units/d1-02b-break.html</loc>
-    <lastmod>2023-09-17T02:20:09.422Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.503Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/units/d1-02-structure.html</loc>
-    <lastmod>2023-09-17T02:20:09.422Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.503Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/units/d1-04-deploy-admin.html</loc>
-    <lastmod>2023-09-17T02:20:09.422Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.503Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/units/d1-01-welcome.html</loc>
-    <lastmod>2023-09-17T02:20:09.422Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.503Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/materials/d1-01-welcome/index.html</loc>
-    <lastmod>2023-09-17T02:20:09.334Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.419Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/materials/setup-resources/index.html</loc>
-    <lastmod>2023-09-17T02:20:09.418Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.499Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/materials/d1-02-structure/ex-1.html</loc>
-    <lastmod>2023-09-17T02:20:09.354Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.435Z</lastmod>
   </url>
   <url>
     <loc>https://posit-conf-2023.github.io/shiny-r-prod/materials/d1-04-deploy-admin/index.html</loc>
-    <lastmod>2023-09-17T02:20:09.374Z</lastmod>
+    <lastmod>2023-09-17T03:16:59.455Z</lastmod>
   </url>
 </urlset>
diff --git a/units/d1-02-structure.html b/units/d1-02-structure.html
index b950d80..3b889a3 100644
--- a/units/d1-02-structure.html
+++ b/units/d1-02-structure.html
@@ -256,7 +256,7 @@ <h2 class="anchored" data-anchor-id="code-along-examples">Code-Along Examples</h
 </tr>
 </thead>
 <tbody class="list">
-<tr data-index="0" data-listing-file-modified-sort="1694917209354" data-listing-reading-time-sort="3" data-listing-word-count-sort="528" data-listing-title-sort="Modules for LEGO attribute selections" data-listing-filename-sort="codealong-1.qmd">
+<tr data-index="0" data-listing-file-modified-sort="1694920619435" data-listing-reading-time-sort="3" data-listing-word-count-sort="528" data-listing-title-sort="Modules for LEGO attribute selections" data-listing-filename-sort="codealong-1.qmd">
 <td>
 <span class="listing-subtitle">&nbsp;</span>
 </td>
@@ -286,7 +286,7 @@ <h2 class="anchored" data-anchor-id="exercises">Exercises</h2>
 </tr>
 </thead>
 <tbody class="list">
-<tr data-index="0" data-listing-file-modified-sort="1694917209354" data-listing-reading-time-sort="2" data-listing-word-count-sort="244" data-listing-title-sort="Value Metrics Module" data-listing-filename-sort="ex-1.qmd">
+<tr data-index="0" data-listing-file-modified-sort="1694920619435" data-listing-reading-time-sort="2" data-listing-word-count-sort="244" data-listing-title-sort="Value Metrics Module" data-listing-filename-sort="ex-1.qmd">
 <td>
 <span class="listing-subtitle">&nbsp;</span>
 </td>