From my experiences with coffee machines that produce cappacinos, the act of frothing milk seems to be one of those tasks that is much more difficult to automat

From my experiences with coffee machines that produce cappacinos, the act of frothing milk seems to be one of those tasks that is much more difficult to automate than I would have thought. I've had a few that were passable, but none that are remotely as good as a decent human made one. The actual coffee on the other hand seems to be easeir to automate.