Ride-sharing services and self-driving cars are both complicated — and not just the technology that enables them. Putting them together is even more difficult. That’s why there are so many relationships between self-driving and ride-sharing companies as they pair up to share technology, money and size.
Just today, Volvo announced it is strengthening ties to Uber by agreeing to sell the ride-sharing company 24,000 self-driving SUVs.
But don’t worry. From Didi and Apple to Alphabet and Lyft, we’re keeping track. Click around the graphic below to explore the increasingly complex web of self-driving and ride-sharing relationships:
This article originally appeared on Recode.net.