[jdsully]

I read the book last weekend and am going with my memory (I’ve since lent it out). In the book Travis found out about Lyft’s planned rideshare service and raced to launch UberX first.

Alas google has become useless for finding useful information so I hope somebody who still has the book can confirm.

[sparuchuri]

That was referring to Pool / Lyft Line.

As others said, Sidecar was technically the first to the "ridesharing" model

[jdsully]

Thanks for the correction!