EXCLUSIVE Yesterday we wondered about Robert Gibbs' statement that Twitter was blocked on White House computers: If it was, then how did the White House Twitter feed get updated? We did some web-sleuthing and discovered that not only were Tweets off the official White House Twitter feed posted during business hours, they were almost exclusively posted posted “from web” – i.e. during business hours accessed from a computer – or “from HootSuite” – a web-based Twitter app that manages multiple Twitter accounts with multiple editors, also from a computer. This was a mystery! (more...)