Facebook Messenger Promises Speedy Delivery of 4K PicsFacebook on Tuesday raised the ante for messaging apps photo quality with the announcement of 4K support for Messenger. Starting Tuesday, "people can send and receive photos in Messenger at 4K resolution -- or up to 4,096 x 4,096 pixels per image -- the highest quality many smartphones support," wrote Facebook Messenger product managers Sean Kelly and Hagen Green.
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Facebook Messenger Promises Speedy Delivery of 4K Pics
