They started doing this in an effort to keep patrons off their phones....but I see a future of advertisements coming to us on our drinks! Or how cool would a marriage proposal or other sweet messages be on the foam of your beer?! If you're already a beer drinker of course...
Check out some of the Instagram posts about the beer tweets. They all look so cool!
It's impressive how much they can fit, and how clearly you can read it.
If you could print something in the foam on beer, what would it be??