Pi cofounders Lixin Shi and John MacDonald pose for a picture at a TechCrunch Disrupt technology conference in San Francisco on September 18 2017...
{"Image ImageDescription": "Pi co-founders Lixin Shi (left) and John MacDonald pose for a picture at a TechCrunch Disrupt technology conference in San Francisco on September 18, 2017 with the world's first wireless charger that does away with the need to lay devices on charging mats.\nPi chargers, about the size of a small table vase, operate on standard charning technology used in Apple or Android smartphones designed to be powered up wirelessly. / AFP PHOTO / Glenn CHAPMAN        (Photo credit should read GLENN CHAPMAN/AFP via Getty Images)"}