The strategy today is simple: In order to move fast, build what you can’t buy or risk losing control of your fate and becoming the next Palm, Motorola, or HTC. And if, in the process, you disrupt an Oracle or a Qualcomm? So be it.

This is really interesting. I had no idea Facebook built its own servers, but it makes a lot of sense—if the incumbents can’t do it, build it yourself.