Well, you have to make sure there is coffee, water, cup and perhaps milk present. You have to clean it regularly. I don't think this is very useful in the end.

Well, you have to make sure there is coffee, water, cup and perhaps milk present. You have to clean it regularly. I don't think this is very useful in the end. That said, it's super cool, I'm sure the author enjoyed this and I myself would definitely try to do it too, if I had a chance :D