# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2012-09-16 23:44:02 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/247480997719977984) RT @mattcutts: You've heard of MapReduce, Dremel, and GFS. But have you heard of Spanner? http://t.co/ngQ3uEdF