Google today hosted its 15th annual I/O developer conference in Mountain View, California, highlighting advances in artificial intelligence, changes to Google Photos, updates to search, and more. Pixel Fold The Pixel Fold is Google's first foldable smartphone, and it's set to launch in late June. In terms of design, it is similar to the Galaxy Z Fold, as it opens from a smartphone form factor into a tablet form factor. The Pixel Fold features a 7.6-inch display when unfolded, with a resolution of 2208 x 1840 and a 120Hz refresh rate. When folded, the Pixel Fold has a 5.8-inch display with a 2092 x 1080 resolution. It is powered by the latest Google Tensor chip, and is equipped with a…