We've heard our fair share of complaints about the capacitive buttons found on many Windows Phones, specifically that it's easy to accidentally touch one, throwing the user into a Bing search screen and usually killing whatever task was on hand. Samsung has tried to address this on the Focus with a firmware update--basically if you're actively touching the screen and you drag your finger, touching one of the capacitive buttons won't engage them.
Long Zheng of ChevronWP7 and Speedo Plus fame, has posted an ingenious method on his blog iStartedSomething that resembles "...the tap-and-hold gesture found on the desktop version of Windows" and for us, reminds us greatly of the Xbox Kinect's selection/confirmation method.
Zheng's method involves holding down the Search button, whereby a search icon overlays on the screen. While holding the button, you wait 1.5 seconds for the circle to complete its animation thereby launches Bing. If the user takes their finger off before the animation is complete, nothing happens. Zheng correctly notes that this will add a nice buffer between the user and the device, insuring less accidental hits. One could also imagine this as an option under Settings, much like Search button via Lock Screen in Mango.
We think it's a pretty brilliant idea that can be easily implemented on current devices. You folks?