What do you do when your one and only iPad app is a runaway success? If you're FiftyThree, the development firm behind the beautiful journal/art app Paper (free, many in-app purchases available), you get funding for expansion into new areas.
FiftyThree announced today that it received US$15 million in a Series A funding round led by Andreesen Horowitz, with such stellar investors as Twitter's Jack Dorsey, Bright Capital, Highline Ventures and SV Angel joining the party. Paper has bee
