1. A computer device, comprising: at least one computer memory that is not a transitory signal and the comprises instructions executable by at least one processor to cause the processor to: receive at least one image of at least one viewer of a display on which content is presented; generate a signal representative of at least one expression of the viewer made at or around the time the content was presented based on the image of the viewer; receive metadata identifying the content and indicating whether the content was recorded pursuant to presentation on the display; associate the metadata identifying the content with the at least one expression of the viewer; and present a prompt to grant permission to share the image for all content from a single content provider.