| CPC H04N 21/2541 (2013.01) [H04N 21/25816 (2013.01); H04N 21/266 (2013.01); H04N 21/6543 (2013.01)] | 32 Claims |

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1. A method comprising:
receiving, from a user device, based on content and a marker associated with the content, a content output indication indicative of the content being output on the user device; and
causing, based on the content output indication and one or more rules indicative of the user device not being authorized to output the content, the user device to cease output of the content.
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