Two teenagers have found an innovative way to make Christmas card writing less tedious. Sanjay and Arvind Seshan built a Lego robot to write Christmas cards for them. The “Holiday Plott3r” was built by brothers 14-year-old Sanjay and 12-year-old Arvind using Lego Mindstorm, the brand’s modular robotic platform. According to The Verge, the robot works