People forget things in cabs, hotel rooms, and on planes. It stands to reason they'll leave things behind in an Uber, too. Uber published a list of the most commonly lost items. No big surprises. The list includes phones, watches, keys, cameras, wallets. The list also includes some of the most unique items left behind. How about a full fish tank? Wait, there's more...shopping cart, breast pump, dog tuxedo, propane tank...even a shopping cart. If you've left something in Uber, don't despair. It's not lost forever. Here's how to get it back...