diff --git a/science/ai/agent/docs/presentations.txt b/science/ai/agent/docs/presentations.txt
index a495f2728..33de2f237 100644
--- a/science/ai/agent/docs/presentations.txt
+++ b/science/ai/agent/docs/presentations.txt
@@ -1,3 +1,4 @@
 2025
-AI.Dialogs - AI Agents Full Review 18:00 of 1:19:20
+AI.Dialogs - AI Agents Full Review 24:00 of 1:19:20
     https://www.youtube.com/watch?v=sYk_DygMFeA
+    ! perplexity - https://www.perplexity.ai/