Snapchat's latest Bitmoji update is about much more than dancing animations. Snapchat is updating its Bitmoji-enabled "World Lenses," the feature that lets you overlay your Bitmoji characters onto your surroundings, to make the animations look more realistic. Bitmoji, Snapchat users' emoji-like alter-egos, have appeared in Snapchat's "World Lenses" since the feature launched last year, but this is the first time to the company has made the feature available in 3D.