I love intelligent agents, but have not looked at that area in a long time. I think it's a very under-used paradigm on the Internet.
The Huginn project has me very excited about the area once again, I'm tempted to get a cheap VPS just to run it:
I have been writing about web technology and software development since 2001. I am the developer of the Alpha Framework for PHP, and the Five.Today personal productivity app. I love open source, technology, and economics.