Branding. Hcard. Sensor. TShirtshop wo eigene Designs gedruckt werden können - kombiniert. Comparing Web Platforms. It's great to hear that Marc Canter is writing a book, called 'How to build the Open Mesh'.
He's been working for years on this vision with his product PeopleAggregator. He's just posted the four Appendices that conclude the book in his blog. It's a great overview of the major web platforms: Google, Yahoo! , Microsoft Mesh, and Facebook/MySpace. Here are Marc's comments, via his post, and you can click the images to see the diagrams.