1. A method for processing media content, the method comprising: obtaining media content signals from a computer network; deriving, at a computing device, content identifiers from perceptible visual or audio content of the content signals; using, at the computing device, the content identifiers to obtain metadata used to classify the media content signals; and creating, via the computing device, a searchable index of the media content signals based on the metadata, wherein users access the searchable index on the computer network to submit a search query for the searchable index to retrieve links to the media content signals.