| CPC G06Q 30/0277 (2013.01) [G06Q 50/01 (2013.01)] | 20 Claims |

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1. A method comprising:
receiving information indicating:
a time point of a content item;
a first supplemental content item for a first application corresponding to the time point; and
a second supplemental content item for a second application corresponding to the time point, wherein the first application is different from the second application;
determining, by a computing device, that the time point corresponds to a current time point of the content item being output; and
based on the receiving the information and the determining, causing at least one of:
the first application to output the first supplemental content item corresponding to the time point; or
the second application to output the second supplemental content item corresponding to the time point.
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