> When they're so big that no competition can challenge them. That's what people said about MySpace before Facebook. It's also what people said about IBM, Micr

> When they're so big that no competition can challenge them. That's what people said about MySpace before Facebook. It's also what people said about IBM, Microsoft, AOL, Nokia, and Kodak. Big companies have a hard time changing direction. They also tend to be more risk averse, causing them to coast on their brand and network effects. Eventually they're usurped by smaller companies that take more risks and innovate better.