A handful of huge tech companies could single-handedly fix the housing crisis* by taking one of those disruptive risks they claim to cherish and move headquarters outside of Silicon Valley/Seattle. Because other companies want to be around the big guys, it will become a trend.

* - This is presuming you consider the current state of things, $2,500+ for housing as the norm, to be a crisis in the first place. At some point you have to admit that it couldn't really be a crisis, if thousands of people eagerly advance its existence year after year.