Official Google Blog: A fall spring-clean
Google’s Sidewiki goes into the deadpool, along with a list of other experiments:
Alan Eustace via Official Google Blog
Sidewiki: Over the past few years, we’ve seen extraordinary innovation in terms of making the web collaborative. So we’ve decided to discontinue Sidewiki and focus instead on our broader social initiatives. Sidewiki authors will be given more details about this closure in the weeks ahead, and they’ll have a number of months to download their content.
Got email today saying that it’s shutting down 5 December. I don’t remember using it, but I looked and I had one bookmark there.