Interview with Joseph Smarr, the Chief Platform Architect at Plaxo

A great podcast via IT Conversations, Technometria series. In depth discussion of Ajax implementations, design considerations and toolkits. It offers some great insight into Ajax application development by a veteran in field.
IT Conversations Overview
In this edition of Technometria, Phil and Scott talk to Joseph Smarr, the Chief Platform Architect at Plaxo. Plaxo makes great use of AJAX in its product offerings. The gang starts by discussing techniques for overcoming cross-site scripting limitations including Javascript workholes and JSON APIs (also known as JSON-P or JSON callbacks).
The talk turns to performance considerations for Web sites making heavy use of Javascript and some techniques for making AJAX faster. Finally the show ends with a discussion of the coming open social Web and the current state of the OpenSocial proposal.
You can also get more info over at IT Conversations page