This goes for any TV, but it’s especially useful in hotel rooms. If you can’t find a handy power outlet, virtually every flatscreen TV has a USB port in the back. It’s used mainly for diagnostic purposes, but it does have enough juice to charge your phone.
Hotel AC units have two modes: colder than Antarctica, and off. You can use their chilliness to your advantage, though: Redditor apexhead1999 says that stacking your cans and bottles on the unit, then insulating it somewhat, creates a refrigerator.