Patent ID: 8613008

Claim:
A system comprising: a. at least one processor; b. at least one eye tracking system electronically connected to the at least one processor; c. at least one display device electronically connected to the at least one processor and operative to display content, wherein the content is associated with at least one license comprising a number of persons authorized to view the content; and d. computer executable instructions readable by the least one processor and configured to: i. use the at least one eye tracking system to determine a number of persons that are capable of viewing the at least one display device; ii. compare the number of persons that are determined to be capable of viewing the at least one display device with the number of persons that are authorized to view the content; and iii. control the content based on how many persons are determined to be capable of viewing the at least one display device wherein controlling the content comprises: 1. refusing to play, ceasing to play, or pausing the content when the number of persons determined to be capable of viewing the content is greater than the number of persons authorized to view the content; and 2. playing the content when the number of persons determined to be capable of viewing the content is equal to or less than the number of persons authorized to view the content; and iv. allow at least one user to obtain at least one new license or alter the at least one license if the number of persons determined to be capable of viewing the at least one display device is not equal to the number of persons authorized to view the content.