The humble doorbell has just made the leap into the 21st century. DoorLinX by Netstreams can play an MP3 of your choice whenever someone presses your doorbell button, and that MP3 is easily placed on the slim wall-mounted slab via WiFi.
If you're tired of forgetting your keys—or your roommates forgetting their keys—get the GSM doorbell and you'll never have to worry again. It mounts onto your door, and when rung, calls a pre-programmed number. Punch in a key-code in your phone and the door unlocks automatically. Never get up from your chair again.
Designer Peter van der Jagt from Greener Grass Design offers "Bottoms Up," a doorbell that toasts your guests' arrival with the charming ring of two fine crystal wine glasses. It uses a conventional electromagnet with a hammer on the end, clinking and clanging the glasses with the push of a button.
Here's a device category that's been left largely untapped: the doorbell. The Recordable Reminder Doorbell uses a motion sensor to either sound a conventional chime or play back your own recorded greeting. Movement within six to 12 feet of this voluptuously-shaped device triggers your choice of chime or greets. Say…