Here’s why you don’t get paired with that Uber car you see on the map

You're searching for an Uber or Lyft on the respective ride-hailing app and you see a car icon crawling nearby ... but even though it's temptingly close, that doesn't mean you'll be matched with that car.
Uber uses "batch matching" to connect riders with drivers. That means Uber doesn't just find the closest ride to you; instead, the ride-hailing company takes into account the most optimized ride for everyone around you. 
OK, but what does that mean? If you've ever requested the shared carp