On the top of the device, you'll find a micro-USB port for charging and syncing and if you shimmy down its right side you'll be greeted by the power button and volume controls.
For a split second, we forgot that the magnifying glass next to volumedown actually means "zoom out, " and as such we are still lacking a dedicated search button.
Most of these gizmos, like the hipKey and Proximo, work in reverse, too: Pressing a button on the sensor will make your smartphone ring even if the volume is turned down.