How many people separate you from, well, me for example? Yahoo Research is testing whether the theory about six degrees of separation—that any two people can be shown to be connected through friends in six links or fewer—is true. And if you have a Facebook account, you can participate in the project, called the Small [...]

With everyone touting the benefits of cloud computing, most people don’t think about the danger that this presents. Mirco Wilhelm, a German photographer, has learned firsthand the dangers involved as Flickr (owned by Yahoo!) accidentally deleted his 4,000 image collection. The issue started when Mr. Wilhelm contacted Flickr to report another user who had copyrighted [...]