Entity-linked reminder notifications

A computer implemented method and a mobile processing device provide reminder data in association with contact information for a known entity. A notification may be provided when communication occurs which is associated with a known entity. Communications may take the form of a phone call, an SMS message, an email, or a third-party application providing communication services. Any detectable communication in a personal computing device may trigger a reminder based on a known entity. Reminder notifications can be triggered on inbound communications and outbound communications.