Two years ago I never even heard of an iPad. I had nothing stored in the cloud. I had a dumb phone instead of a smart phone. Fracking was a pipe dream and is going to shortly make the US the largest producer of energy in the world, beating the Middle East. Biotech and genetic diagnostics continue to make astounding improvements. Facebook has 800 million users. The fastest growing company in history (in revenues), Groupon, started in just 2008. And the more ideas we have, the more ideas mate with each other and create new generations of ideas. Those grow and provide jobs, and lead to venture capital, and IPOs, etc.