The rumors have finally come true. Google has indeed launched the Nexus 7 tablet, which runs on stock Android 4.1 Jelly Bean and is the first Android tablet to get the Nexus branding. Starting from $199, the Asus-built tablet has top-of-the-line hardware specifications with the latest Nvidia Tegra 3 quad-core chipset, a sharp 1280×840 7-inch IPS display, a front-facing 1.2 megapixel camera, NFC, Wi-Fi and the works.Google has managed to keep the cost down as tablets with similar specs normally cost twice...