If you’re getting serious about creating bots for Messenger, there’s now a Sketch file for prototyping them before you start coding. The aptly named Bots UI Kit is a bunch of pre-fab artboards with elements you can pull for us in your own designs. You can choose from bot or human chat bubbles, bot profile headers as well as a series of actionable boxes for purchases or call-to-action buttons. Messenger bots are Facebook’s favorite new toy it’s letting us all play with, but they’re not very good — at least not yet. Bots are meant to act as lighter, more conversational…

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