I'm 95% confident that I have no use for it and expect complete failure, therefore it will sell and cement Amazon as the #1 player in machine learning.
I was fairly skeptical as well, but then I showed this to my friend and she thought it was a great product idea (albeit potentially overpriced). Apparently a lot of people like to take fit pictures and also log outfit combinations which work for them.
It's absolutely brilliant if your goal is any of several things that don't actually involve delivering a valuable service to the people buying the device (if you must incidentally, that's fine).
And if you have never so much as encountered the word "ethics".