An apparatus and method for collecting heart rate information associated with a user while the user is viewing and/or listening to multimedia content and/or experiencing real-life events on an electronic device (10). The heart rate information is interpreted to determine a level of physical arousal. The level of physical arousal may be stored with the multimedia content. Interpretation of emotional characteristic can provide several gradations of user's preference (e.g., the degree to which the user is aroused).
System and method for indexing content viewed on an electronic device