iNVEZZ.com:Facebook has bought new tech start-up, TBH, for an undisclosed amount. Facebook shares closed the US Tuesday trading session higher but has opened in negative territory, Wednesday.The social media giant's latest purchase is one of a number of tech start-ups it has added to it's stable. There are reportedly a number of reasons the tech giant has made the deal. However, what is certain, is that TBH is an app that connects users in a positive way....