The fact that there's so much activity in the space suggests that it's undergoing disruption. For years, POS systems have been... well... POSes. They're unfriendly, overpriced, lacking in features and just all around bad. The tech has been easily 10 years behind the curve.

We've got a new generation of POS systems coming into place using commodity hardware, the internet & business model that doesn't involve paying some shady fucker thousands of dollars for plugging in some hardware & typing in your menu.