I have needed this for so long, but would love to see it integrated with a calendar and so I don't have to put in my address unless I want to. I've needed this a few times in the last week.
not just Uber, also accommodation discovery would be great.
actually, PayPal and Airbnb created a very similar website a few months back (now it's redirected to PayPal homepage, but here's a summary http://all-about-airbnb.com/post...)
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