I’ve been writing about mind controllers for years now but we’re finally seeing some movement in the market.
Neurosky finally has their unit ready for production, and has launched an SDK for developers. They’re also looking to use their technology in a wide variety of settings such as cars.
Find out here!

This is a simple piece of hardware you put under your shower drain, which transfers heat from hot shower waste water to cold incoming water. This cuts water heater use by 25%-40%. It has no moving parts

This seems like a very easy and effective way to save money.