If you're planning to fly on American, Delta, or United, and carry a piece of luggage on board, better check the size. All three airlines have announced plans to reduce the acceptable maximum size to 22 inches long, 14 inches wide, 9 inches high.
If you're one of those people who usually have a hard time trying to cram all their stuff into their carry-on luggage, this video is just for you. The woman in the clip demonstrates a simple and clever method to pack a carry-on like a pro.