Or prevent a show from being screened to more than two people! Imagine how many missed royalties can now be collected! With Google Pay integration, the user can even be charged automatically to avoid the inconvenience of having to apply for a screening license.

I know you are joking, but I am pretty sure this was a patent Microsoft filed in conjunction with Kinect. I could be wrong about if it was Microsoft or not, but it was definitely about a camera noticing how many people were watching a digital product/ad.

It was Microsoft.