This week, Snapchat introduces Lenses, a new feature that recognizes faces during selfies, and allows users to quickly add a lenses that add animated effects like rainbows, monsters, and hearts.

This week, Snapchat introduces Lenses, a new feature that recognizes faces during selfies, and allows users to quickly add a lenses that add animated effects like rainbows, monsters, and hearts. Mountain Dew is one of the first brands to play with the new toy, and Amazon and GE also leveraged the Lenses in campaigns this week. (MediaPost, Mobile Marketer)