That's not quite true. You normally wouldn't refer to Lyft's total proceeds as "revenue", gross or otherwise. Retail stores hold inventory which runs the risk o

That's not quite true. You normally wouldn't refer to Lyft's total proceeds as "revenue", gross or otherwise. Retail stores hold inventory which runs the risk of going unsold. Not true of Lyft. Ebay calls it "gross merchandise sales". PayPal calls it "total payment volume". Google subtracts "TAC" out of its network revenue. Etc. I've seen Uber refer to it as "gross bookings".