Former Facebook and Snapchat executive, Sriram Krishnan was recently hired by the micro-blogging website, Twitter as the senior director for the product. The India-born will be joining Twitter's board from October 2nd. Sriram will look into many application based matters including the direct messaging feature, timeline and search. Internally referred as "Bluebird", Krishnan will be responsible for the core features of the main Twitter app. Krishnan is highly recognised ex..