When it comes to iPhone accessories, the Pop Dongle (a collectible accessory available on eBay, with proceeds going to the American Red Cross) is certainly one of the most unique we've ever covered on TUAW. It's an accessory that plugs into the headphone jack of your iPhone and -- when you do certain things in the Poptopia app (free) -- emits the smell of freshly popped popcorn. Mmmmm!
The Pop Dongle is the brainchild of Pop Secret Popcorn and ad agency Deutsch Los Angeles. While playing Poptopia, swiping the butter encourages the Pop Dongle to spread the yummy odor of popcorn. My guess is that Pop Secret has the idea that smelling the Pop Dongle will also encourage
