This week it was Silicon Valley versus the entire transportation sector.

Scrappy startups and tech behemoths battled entrenched industries and government regulators throughout the globe, in what has become a fascinating illustration of how an entire social sector responds to an existential technology threat.

It’s no longer just Uber vs. Taxis. Here’s a handful of the major battles.

Thinking of any major social sector which is big enough to have its own secretary general (like a Secretary of Transportation), it’s hard to find any comparable examples. Education, Housing, Energy, and Defense are still disruption free for the time being.

But as Silicon Valley expands its ambitions, we now have a glimpse of how established interests will fight back.