1. A method comprising: at an electronic device comprising a processor and memory: receiving an input to close a media item residing on the electronic device; in response to receiving the input to close the media item: identifying a current user position within the media item; storing the current user position; receiving an input to access the media item; determining an elapsed period of time between receiving the input to close the media item and receiving the input to access the media item; generating a content summary for a portion of the media item associated with the current user position based on the determined elapsed period of time by: retrieving a pre-generated summarization of the media item; and identifying a portion of the pre-generated summarization that corresponds to the current user position; and presenting the identified portion of the pre-generated summarization to a user of the electronic device.
1. A method comprising: at an electronic device comprising a processor and memory: receiving an input to close a media item residing on the electronic device; in response to receiving the input to close the media item: identifying a current user position within the media item; storing the current user position; receiving an input to access the media item; determining an elapsed period of time between receiving the input to close the media item and receiving the input to access the media item; generating a content summary for a portion of the media item associated with the current user position based on the determined elapsed period of time by: retrieving a pre-generated summarization of the media item; and identifying a portion of the pre-generated summarization that corresponds to the current user position; and presenting the identified portion of the pre-generated summarization to a user of the electronic device. 13. The method of claim 1 , wherein receiving an input to access the media item further comprises receiving user input that controls an application to open the media item, wherein presenting the generated content summary to the user comprises presenting the generated content summary to the user in response to receiving user input to control the opening of the media item.