For the first time, an agency-designed ad unit goes live on Facebook today. The unit -- called Comments -- is the result of an AdExpo Facebook held last year, where it gathered agencies and challenged them to create a new way for Facebook users to engage with brands. The comments from users and their friends have the ability to become a corresponding sponsored stories. Out of the 100 ideas submitted, Leo Burnett, Chicago's was selected. The move is part of Facebook's initiative to work closer with advertising agencies and creatives.

The IAB addresses major issues in supply chain, measurement and simplifying the processes associated with buying, planning and creating interactive media.

A website about micro-formats that was linked to on the Semantic Web class website.