This is the web version of Data Sheet, Fortune’s daily newsletter on the top tech news. To get it delivered daily to your in-box, sign up here.

It’s a busy week at Fortune—we’re closing the April issue of the print magazine—so I’ll be brief this morning, with a few thoughts on the news and other things I’m reading.

* I thought of two people when I read about Elon Musk’s defiance of the Securities Exchange Commission: The Unabomber and Roger Stone. What the three have in common is the mistaken belief that they can defy the U.S. government. Things ended badly for the first guy. Stone is feeling the pinch of messing with a judge’s gag order. And Musk isn’t making a good impression with the agency that regulates public companies. Of course, he’s entitled to his day in court. But the…