I can't help but smile when I look at this gadget. It's cute and funny and perfectly geeky — not to mention totally useful. The PowerCup On-the-Go Power Supply Cup ($32) is a cheeky portable power source that plugs into your car's power adapter, and fits right into the cup holder. It has two power outlets and a USB port, perfect for charging your gadgets on a road trip. I love this because Read more