1. A method, comprising: at a portable electronic device with a touch screen display: displaying a list of interactive items comprising missed telephone calls, wherein each item in the list of interactive items includes a first interactive displayed portion and a second interactive displayed portion distinct from the first interactive displayed portion; immediately in response to detecting a finger gesture on the first interactive displayed portion of a respective user selected item in the list, initiating a return telephone call to a return telephone number associated with the respective user selected item; immediately in response to detecting a finger gesture on the second interactive displayed portion of the respective user selected item in the list, completely substituting display of the list of interactive items with display of contact information for a respective caller corresponding to the respective user selected item, the displayed contact information including a plurality of contact objects; the plurality of contact objects including: a first contact object comprising a telephone number object having the return telephone number, and a second contact object associated with a non-telephonic communication modality for contacting the respective caller; and immediately in response to detecting user selection of the second contact object, initiating a communication with the respective caller via the non-telephonic communication modality corresponding to the second contact object.