Waterpebble Stops You From Taking Ultra-Long Showers

Even the most devoted environmentalist will likely confess to taking long, hot showers on occasion. One possible reason (besides the comfort factor) is that, unlike with electrical outlets, there are few products to help users gauge the amount of water being poured out of a showerhead. That's where the Waterpebble comes in.

The device is placed at the bottom of the shower, where it keeps track of all the water being poured down the drain. If users take ultra-long showers, the Waterpebble's...