| 主权项 |
1. A method of providing interactive video content, the method comprising:
receiving video content at a video head-end from a video content source, wherein the video content includes an initial interactive content indicator, wherein the initial interactive content indicator is encoded within a closed-captioning portion of the video content at the video content source, and wherein the initial interactive content indicator includes a uniform resource locator; identifying, at the video head-end, a type of the uniform resource locator included in the initial interactive content indicator; receiving, at the video head-end from a set-top box device, data indicating a particular user, wherein the particular user is indicated based on authentication information associated with the particular user; selecting, at the video head-end, a profile of the particular user; subsequent to identifying the type of the uniform resource locator as a default uniform resource locator, selecting, at the video head-end, a substitute uniform resource locator associated with a product, wherein the default uniform resource locator identifies the video content source, wherein the video content source is distinct from an advertiser, and wherein the substitute uniform resource locator is selected based on the profile of the particular user; and replacing, at the video head-end, the uniform resource locator with the substitute uniform resource locator within the closed-captioning portion of the video content. |
