You can tie many tech advances - from the world's fastest supercomputer to many technologies...

|By:, SA News Editor

You can tie many tech advances - from the world's fastest supercomputer to many technologies powering the iPhone (AAPL) - to the popularity of video games, Andy Kessler writes. The military used to be key to driving tech leaps, but it's gaming that now makes them affordable realities rather than expensive one-offs.