A mobile communication device includes an application program interface and a computer processor configured with a calendar application and calendar database. The computer processor and/or application programming interface are configured to identify an event in the calendar database that is associated with a first person, and transmit a request to a social network server and/or a business network server. The request includes an identification of the first person and a user of the mobile communication device. The computer processor and/or application programming interface is further configured to receive from the social network server and/or the business network server information relating to the first person and the user of the mobile communication device.