Google's Matt Cutts has put out a video talking about duplicate content. He was responding to the following user-submitted question:
Will multilingual translations of one [piec...
Google announced today that it is launching new Webmaster Tools messages to notify webmasters when its algorithms select an external URL instead of one from their website, in dupli...
I managed to ping Google's @mattcutts after the announcement of rel="author" support from Google on Twitter and he clarified the use case a little.
As Twitter's search is still...