Basically, funded the company of their star engineer(s), and had a put/call (for Cisco and funded co) option based on certain milestones being met.
Deal summaries:
Andiamo (2001): cisco funded 180m, paid 750m to buy.
Nuova (2006): funded 70m, paid 678m.
Insieme (2012): funded 135m, paid 863m.
All founded by the same three engineers. This practice fell out of favor under chambers CEO-ship. Other employees (and execs, most importantly probably ha) didn't like for understandable reasons, but interesting to see similar dynamics play out here, with similar reactions.
There's a lot of competition for this skillset, so you have to keep on giving more to the engineers... but then they have a bunch of money and they have less lock-in for the job. When you have $20 million in a bank account, why are you going to go make a powerpoint for your manager?
But if you give them "options" that might be worth nothing... well why not just go to Uber with their millions of Actual Real Cash(TM)? Or why accept "founder" salaries instead of real salaries?
Not that there's anything wrong with this, but the classic employer/employee relationship starts falling apart when the employees end up being this value.
We haven't heard anything else apart from a Waymo rebranding in multiple years.
My guess: The top people left, and the project lost momentum. I expect to see it grind on for a few years before being canned.