Killer App A few years ago there was a startup company called Third Voice that facilitated user discussions clustered around web pages. The Google Toolbar is a great tool that enables, among other things, easy search for "backward links".

So here's an idea: a tool - call it PunditPal - that presents pre-specified "third party" content together with web pages viewed. So suppose you like James Lileks - when you browse to some outrageous NY Times article that Lileks has ripped apart(and linked to), his takedown would automatically appear in a separate pane.

This could help extend the influence of the weblogs to people who stick with traditional media.