Advances in technology never cease to amaze me. Gone are the days of locking yourself out of your home or entering in complete darkness, thanks to the Lockitron and Insteon apps.
The Lockitron app allows you to disengage the deadbolt while your still in the car. Or allow someone access into your home while you may be miles away. This hand app is compatible with most popular locks and runs about $295. lockitron.com
Insteon will put an end to fumbling for your keys in the dark. This app will allow you to remotely control your homes lighting. Along with a number of other things. $130 for the SmartLinc central controller; insteon.net