I love these Twitter bots as a familiar form factor to interact with new technologies like this. It's one thing to host a webpage where people can upload an image and receive a result, but it's so much more native and fun (and shareable) to do so through a Twitter exchange like this.
Thanks for sharing. I'm going to have to give this a try.
On a related note — @nirzaq
showed the process of building a Twitter bot here:
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