Jotspot, a site I've used in any number of my presentations, has been acquired by Google (and Socialtext, a sit I never used, was acquired by Microsoft - coincidence? I think not). Maybe Google can do something about the hundreds of spam comments it has acquired. What I'm not looking forward to is seeing my login messed up, the way Google did to Blogger and Yahoo did to Flickr. What's interesting with all this buying of sites is that the sites then switch sides in the the battle over intellectual property rights, as William Draves points out. It may not be as cheap as suing users, but it's probably more effective.