Jog the Web - Great Possibilities for Language Class

So, my Netvibes feed for all CR20 Blog posts had a thread about interactive white boards in which this website was discussed - JogTheWeb.com.

You can compose a tour of web sites, with comments on the bottom. I was thinking this could be great in a language classroom - kids go find some sites based on a certain criteria, read them, post why the apply to the criteria in the comments, or maybe a summary, and then present it to the class (or link it from the class webpage.)

Any other thoughts out there about ways to use this in a language classroom?
K