He instructed the driver to meander around the block while he tried to find the right entrance, and I almost missed my flight.The idea behind UberPool is that by sharing a ride with someone else going the same direction, you also share the cost of the ride and save money.

Starting Tuesday, UberPool users in Los Angeles will see an arrival time, which UberPool senior product manager Brian Tolkin told Tech Insider is "fairly conservative.

Despite the complaints riders and drivers have with UberPool, the concept appears to be catching on.

It started as an experiment to make Uber rides cheaper.Driving down the priceIt's easy to forget that Uber started as an expensive black car service.

Then UberX, a more affordable alternative to taxis, was introduced.Brian Tolkin leads the development of UberPool and has been with the company for 4 years.

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