In 19 February 1946 Alan Turing designed the first well-known software for a stored-program computer.  Seventy years later, each of us is carrying numerous apps (software) in our pockets and wrists. Software today can be incredibly powerful, they contain millions of lines of code, can guide nuclear missiles to their target, even recognize the human voice and translate them on the fly. Today’s mobile apps like Microsoft Word or Facebook are more complex than the entire software stack that powered Apollo 11 spaceflight. The technology powering Apple’s Siri, Google Now or Microsoft’s Halolens were impossible even ten years before. The…