Flat-blet Kicking off Computex in Taiwan today, Acer unveiled its first phablet handset, the Liquid S1, previously hinted at during MWC. With a 5.7-inch HD 1280 x 720 display, the all-in-one is powered by a quad-core 1.5GHz processor, running Android 4.2 Jelly Bean. An 8MB cameras on the back can shoot 1080p video, while the front 2MP snapper can grab...