Add summary words for the glue-on poster

alpha/GlueonAdS/summary.md

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+Okay thank you very much!
+
+So we know that in AdS/CFT it's possible to "move the CFT into the bulk" with the TTbar deformation.
+
+The dual theory then lives on this cutoff cylinder within the bulk.
+
+However, this only works for one sign of the deformation parameter mu,
+while TTbar itself should be valid for both signs of mu.
+
+In this work we generalize the proposal by "going beyond infinity", or "pushing the CFT outwards".
+We call this the glue-on proposal.
+
+We hope that this extended geometry will help us understand more about TTbar holography,
+including its entanglement entropy.
+
+You can find me on the third floor if you are interested. Thank you!