Sometimes it pays to be knowledgeable about the obscure things in life.

After all, random trivia is the making of a dazzling conversationalist, right?

There's nothing more satisfying than artfully sharing your wisdom with friends and family.

And I've collected some of the most amazing facts around, so you can do just that.

You're listening.

You're listening. Door listening.

You're listening. You're to be amazed.

Why do UPS trucks always have their doors open?

Ever noticed how UPS drivers always speed around in trucks without any front doors on?

This unusual practice is perfectly legal in America, and it all comes down to

saving precious time and money. You see, the average UPS employee makes about 130 stops a day.

That's a lot of time spent opening and closing doors, especially when some stops are just minutes

away from each other. In business terms, more time always equals more money, so it makes

financial sense for the company to remove the doors altogether instead. UPS trucks are also not

fitted with AC for the very same reason, because getting in and out of the truck multiple times

wouldn't make for a very efficient flow of cold air. As a result, UPS drivers also rely on the breeze

blowing through their

doorless vehicles to get some much needed respite from the scorching summer heat.

Why don't UPS trucks turn left? Generally speaking, you'd be hard pressed to find a UPS

truck making a left-hand turn at a busy intersection, and it's all about that cold hard cash.

When UPS decided to focus on greener driving,

they fitted trucks with special sensors and did some data mining to discover that too many

...