Ford promised to give our cars X-ray vision, and this little blue box might be the key -- it's apparently the first standardized hardware platform for peer-to-peer automobile communications. Called C2X (for "car-to-x"), the module inside is the product of Cohda Wireless and near-field communications gurus at NXP, and it uses 802.11p WiFi to let equipped cars see one another around blind corners, through other vehicles, or even