Our world is surrounded by software. Every day teenagers spend more than 10 hours a day on line interfacing through a software layer - texting, facebook, tumblr, TV, movies - all are constructed in software and people use a software layer to interact. Even as a CEO, my day is dominated by software - Office apps, Twitter, Skype and even Words with Friends. Software is changing our world in as profound a way as the book did starting in 1440. The book, following the invention of the printing press, democratized [...]