Apparently this guy had a brain tumor and this wasn't the first time he's publicly embarrassed the company. He tweeted from the RapGenius account "WARREN BUFFETT CAN SUCK MY DICK".
http://www.fastcompany.com/3021564/most-creative-people/how-...
http://www.slate.com/blogs/browbeat/2013/02/22/rap_genius_wa...