From 9to5Mac:
Smart home company Wink has been accused of extortion by customers furious at an announcement that they will be forced to pay a monthly subscription else their existing products will cease to function.
Source: Wink accused of extortion over mandatory subscription policy – 9to5Mac
This is another example if the hazy issue of ownership in the digital age. If a vendor can make a device you have paid for useless by disabling online functionality do you really own it?
A dental vendor could easily do something similar with any device that is linked to the Internet. For example a digital impression scanner. What happens if you do not pay your monthly subscription fee?