Are wall clocks too 19th century for you? Do beads freak you out? Combine the best of both worlds with this Time Curtain prototype from Soner Ozenc. Yes, it's a curtain with LED-style numbers representing the current time so you can see exactly how long you've been sitting there on your couch instead of getting out and exercising. Mildly useful, and only then from one side—unless you like reading time backwards.