Google on Tuesday unveiled the third edition of its Pixel smartphone, a high-definition screened tablet and a Home Hub smart speaker with a display as it makes a come-from-behind push into hardware. The new phone boasts a number of new camera features, including "Top Shot," which uses AI to automatically pick the best photo, and "Group Selfie Cam," which lets users take wide angle selfies. Despite Google’s hardware efforts, its smart phones have captured less than three percent of the global market.