We all know the typical things that most people carry-on a flight with them. Neck pillow, some form of entertainment (smartphone, tablet, etc.), eye mask, yadda yadda yadda. However, I'm going to share with you a few carry-on essentials that you may not have ever considered, especially for long-haul flights. They'll make your long flight just a little more comfortable and have you a little more prepared.   Water Bottle It is so important to stay hydrated during flights. It helps prevent dehydration and helps fight against jetlag. Instead of the tiny cups provided in flight, bring a...