There was an interesting article on the Motley Fool website last week about the rate of technological progress and how to invest your money based on this. They suggest nanotechnology. The author visited the Fifth Annual NanoBusiness Alliance Conference in New York City and quotes some of the discussion:

The opening presenter was Michael Idelchik, vice president of Advanced Technology at GE Global Research. Saying nanotechnology has become "a huge enabler" of existing products, he said GE expects the market for nano-enabled products to grow at an annual rate of 70% per year for the next decade. If true, this means that nano-enabled products will expand from a modestly sized market of $13 billion today to $2.6 trillion -- with a "T" -- by 2015.

For those of you interested in nanotechnology, here is a new blog from the Nanotech Briefs digital magazine. And here is a list of nanotech stocks.