The week before last, Joseph Smarr spoke at Web 2.0 Expo in New York about implementing the open web. I was perusing his slides and came across the second to last which was a pretty stark way to compare how Facebook, MySpace, Yahoo!, and Google are working in the social web space:



It's really exciting though to see some of the largest companies on the net working with the same underlying technology stack! A year ago I doubt we would have expected this let alone things like the Portable Contacts API becoming real.