Lifecasting: lots to see, but can they sell it? “technologists at Justin.tv have figured out ways to make video streaming on the Internet inexpensive but haven’t gotten much further than that in puzzling out a business…”

“It’s no secret that Facebook, which started as a networking playground for college kids, is graying, and that the percentage of active members who are over 25 years old and out of school has risen to some 40 percent” (of  45 million users).