The iLaunch Thunder can be controlled by your iPhone, and its 25 foot range should get you over a couple of cubicles to reach your target. Watch its video, Cool. It is currently on sale for $96. ($82 until December 15th)
"With a 270°horizontal rotation, a vertical flexibility of more than 40° and a shooting distance of around 25 feet, the iLaunch Thunder will cover more than 1,400 square feet of your workspace. "