a single-purpose wiki for educators to link to and describe their social networking sites. I'm including a snapshot of the list as it is today, but it keeps growing and as it does so provides an interesting insight into the variety of ways that social net
Like locked cell phones and copy-protected music, Facebook is on the wrong side of the open-network debate. Facebook is a sealed bubble. Facebook users are locked into Facebook, just as iTunes locks music fans to Apple's iPod.
"If Facebook allowed users to differentiate between their professional and social relationships and control what parts of their profile are visible based on relationship type, it" could be the end of LinkedIn...