From the category of dang-why-didn't-I-think-of-that, the Zomm was announced at this year's CES show, and it could quite possibly have a bigger impact on my life than electricity, the automobile, or even {gasp} the internet.  It's a wireless 'leash' for your mobile phone that sounds an alarm if you get more than a certain distance away from it.  It does a few other nifty little things, too, most notably the ability to call emergency services for you (think Help! I've fallen and I can't get up, only cooler) and can be a speaker phone for incoming calls.  But I'm mainly excited about the Hey, Chachi, you realize you're leaving your phone at the [insert any random location here] again, don't you feature.  The people that invented this are my (and my wife's) hero.  Check it out here at zomm.com. Thanks to my cousin's wife, Jeanie, for telling me about this.  You may have saved my iPhone from ever being tragically discarded in a McDonald's bag ever again.  Now, if it only worked with wallets...