Patent ID: 11956488
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A computer-implemented method (CIM) for use with a client computer system including video and sound hardware for playing audiovisual presentations, the CIM comprising:
requesting, by the client computer system a first piece of protected content;
responsive to the request, receiving an audiovisual file corresponding to a first audiovisual presentation at the client computer system with the audiovisual file including an inactive version of a token embedded in the audiovisual file;
determining that the audiovisual file has been played by the video and sound hardware of the client computer system so that the first audiovisual presentation has been presented to a user of the client computer system;
responsive to the determination that the audiovisual file has been played, activating the inactive token to generate and activated version token that can be used to get access to the first piece of protected content; and
using the token to access to the first piece of protected content on the client computer system.