http://blogs.usatoday.com/technologylive USA TODAY's Jefferson Graham and Edward C. Baig review the Olympus Stylus SW 1050 camera and its "Tap Control," feature. You "tap" the side and back of the camera to change flash settings and access the LCD preview screen. But does it really work? And should we care? Jeff & Ed find out on the "Talking Tech" web video show.