What do Netflix, Zipcar, Mint.com, Nike+, Amazon, the Nintendo Wii, and the Apple iPhone all have in common? They all take advantage of four technologies that once were scarce and expensive but are now plentiful and cheap. These technologies can be combined in numerous ways, and we are just starting to see companies really taking advantage of the possibilities. These four technologies will have a disruptive impact on your business, almost regardless of which industry you're in. The question is whether you will choose to adopt them before a competitor does.