Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Vadim Gerasimov is an engineer at Google. In 1994-2003 Vadim worked and studied at the MIT Media Lab. At age 16 he was one of the original co-developers of the famous video game Tetris: he ported Alexey Pajitnov''s original game to the PC architecture and the two later added features to the game]. Vadim earned a BS/MS in applied mathematics from Moscow State University in 1992 and a Ph.D. from MIT in 2003.