Elon Musk, founder of Zip2 and PayPal is planning to build a launcher for small satellites. Much of his personal fortune come from the IPO of PayPal and subsequent sale to eBay. The amount of money he plans to spend on this project is not much more than Denis Tito spent on his space station visit. The difference is that this venture actually tries to do something productive. Elon is also behind the Life to Mars mission.