A mobile computing device receives audio data comprising an audio encoding of a unique identifier associated with a movie trailer. The mobile computing device or a remote computing device decodes the audio encoding using a decoder and generates non-audio data comprising the unique identifier responsive to the decoding. The mobile computing device or the remote computing device determines that the unique identifier is associated with the movie trailer. The mobile computing device generates a prompt for user feedback regarding the movie trailer, receives the user feedback regarding the movie trailer, and sends the user feedback to the remote computing device.
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