Well, today, at Sports Authority, a novelty:
“Hydracoach” Bottle — it “thinks” while you drink.
(from the materials):
“..It calculates your personal hydration needs, tracks your real-time fluid consumption, paces you throughout the day, and motivates you to achieve and maintain optimal hydration.”
All for $29.99
Sounds like a lovely toy I’d love to play with for a week — sadly, no return policy on this gadget, as that’d be unsanitary. But for the rest of you who dare…