Airbnb, is raising funds through investors including TPG Capital at a valuation of over $10 billion. The funding will bring in several hundred million dollars, although a final amount has yet to be set. Airbnb is a room sharing service with rooms in 192 countries, it is backed by investors including Sequoia Capital, Greylock Partners, and Founders Fund. Back in 2012 the company was valued at $2.5 billion.