It is amazing, but I really don't see the point of it! Who has that much time to faff with their coffee?! That said, I be really thrilled if I was ever served number 12, I'd not want to drink it because it would ruin the picture!
Don't drink coffee but these were fun to look at! Have to say though wouldn't it be cold by the time they had faffed about with the more intricate ones???
http://www.buzzfeed.com/erinlarosa/the-40-most-amazing-examples-of-coffee-foam-art
Cheers
Paul