Simply a superior product. Safer by the mile (and will only get better) and you don't have to worry about a sketch driver or feel pressured into an awkward conversation. And no tip!

Like electronic ordering at restaurants, I much prefer it while acknowledging it is only further accelerating our demise into an introverted anti-social society...

I don't understand the uber partnership TBH. In SF it seems like their limiting factor is their car production... making them already capacity constrained... I don't know why they need uber.