Major ISPs in the US have been doing it for at least a decade. Xfinity Wifi [1] claims over 20 million wifi hotspots provided through customer routers. [1] htt

Major ISPs in the US have been doing it for at least a decade. Xfinity Wifi [1] claims over 20 million wifi hotspots provided through customer routers. [1] https://en.wikipedia.org/wiki/Xfinity#Xfinity_WiFi https://en.wikipedia.org/wiki/Xfinity#Xfinity_WiFi