Well now here's a neat idea-- Magnetic vent covers. Place over vents in unused rooms to send heat where its needed. More effective than closing vents! Reusable magnetic vinyl covers wont scratch and can be easily trimmed to fit.
wear it this belt tracks your sleep, steps, calories, pace, distance and can wake you up or send you reminders to get up from your desk by vibrating. Can also use the iPhone app to create a food journal. No need to really use your mind.the future?