Lately the commute has provided more time for catching up on podcasts. One of these is Jeffrey Zeldman's Big Web Show. For those not familiar with Zeldman, he's been one of the forces behind Web Standards since the days that Microsoft was rationalising their decisions to maintain IE6's "beloved" box model.

His guests are some of the top folks in the web industry. So while listening to Episode 15 with Tara Hunt. It's a long discussion covering many topics, but my jaw dropped during a section discussing her new startup, Shwowp. They were discussing metadata and ...