Ultra Light Packing Tutorial: How to pack for a long weekend (or more) in just a personal item

Take carry-on-only travel to the next level with Ultra Light Packing! Inspired by the need to fly budget domestic airlines--which charge for even carry-on bags--I learned to pack in just a personal item (a purse or a regular-sized backpack.) And if I can do it, you can do it. Here's how.