1. A computer program product for managing email content in an activity stream, the computer program product comprising: a tangible computer readable storage medium comprising computer usable program code embodied therewith, the computer usable program code comprising computer usable program code, when executed by a processor, to: receive a selection of a number of criteria that indicate email content to be displayed in an activity stream; retrieve email content based on the number of criteria; and display the email content in an activity stream by referencing email data related to the metadata.