Methods, systems, and apparatuses, including computer programs encoded on computer readable media, for receiving user input data that includes a sentimental identifier and an indication of at least one of an amount of pressure and an amount of time used to select a sentimental input. The user input data is associated with a media, and the associated media includes a plurality of objects. For each user input data, the user input data is associated with a portion of the associated media. The user input data is aggregated based upon the portion of the associated media. An average sentiment value is determined based upon the sentimental identifier and the indication of at least one of the amount of pressure and the amount of time used to select a sentimental input for at least one of the displayed objects.