How can I take water on a run without carrying a water bottle?

How can I take water on a run without carrying a water bottle? I want to control my bedroom AC with an Arduino Anyone have a great way of making Itunes music readable from an iPod on an Xbox? Any plans for the weekend, Lifehackers? Best traffic app for Android? I'm thinking of finally upgrading my media center PC, but I've been out of the game so long I don't even know what's relevant anymore. Does Google have any replacement for iGoogle yet? Is it worth replacing the motherboard in an old lapto...