Midjourney Bought CoStar. Here's Who Still Gets My Chart.

What the CoStar acquisition taught me about deciding who earns a piece of you as tools get more personal.

Midjourney, the AI company, announced it had bought CoStar. The deal itself is old news, it closed quietly back in the spring. The announcement is what’s new, and it landed on four million people at once: CoStar has about 4.3 million monthly users.

Its founder, Banu Guler, and her team of roughly two dozen people are now part of Midjourney. Guler become…