A photos-only mode for Facebook's mobile application is under testing and it would let users see algorithmically suggested photos in a feed similar to its photo-sharing platform Instagram. {"preview_thumbnail":"https://cdn.flowplayer.com/6684a05f-6468-4ecd-87d5-a748773282a3/i/v-i-2…","video_id":"2f074372-b3fa-4f9f-8191-57992d2241ce","player_id":"8ca46225-42a2-4245-9c20-7850ae937431","provider":"flowplayer","video":"10 Highest Average Cappuccino Prices Around the World"} The feature, named "Popular Photos", affixes an endless scroll of algorithmically selected images from friends beneath the full-screen view of a photo opened from the News Feed. The result is an experience that is ...