MapQuest this week announced a series of upgrades to its “Send to Cell” service that will let users create detailed driving directions and maps at their desktop and send them to any Web-enabled cell phone for free. (Local carrier text message/data charges apply.) With the Send to Cell service, users can search for places and create maps and directions on their home or office desktop, and send that information to their cell phones by clicking on the “Send to Cell” link found through the site. Then, while on the road, they can access the information on their mobile device via a simple text link, and be directed to their turn-by-turn directions and detailed maps, all “right-sized” for their cell phones’ Web browser.