news.cnet.com — (Credit: Screenshot by Edward Moyer/CNET) Google unveiled today a location-based, check-in style service designed to help businesses oversee and direct their employees in the field. Google Maps Coordinate could, for example, be used by a dispatcher at a utility company to find out which of its repair trucks was closest to a downed powerline, assign that driver to the repair task, and issue appropriate instructions, Google said in a blog post.