We know we’re supposed to drink 64 ounces of H20 a day (remember, 8×8? drink 8, eight ounce glasses of water a day), but who carries around an 8 ounce glass with them everywhere?

Even Nalgene and Camelback toting liquidifiles, there’s just no easy way to know if you’re slamming back your daily requisite ounces of aqua. Until now. This water bottle by Hydracoach tells you how much you’ve consumed, and what percent of your daily goal. Even if it doesn’t motivate us to drink more water, we’ll at least have an accurate account of our daily failures.