When it comes to the Internet, the possibilities and opportunities for innovation and creative thinking are seemingly endless. The visionary programmers and software engineers listed here used their technological know-how and looked at things differently, revolutionizing the world of social media.
This roll call of techies is sure to inspire would-be programmers. Some of the names on the list are millionaires, others are practically unknown, but they've all made their mark – and most of them did it in code.