An exemplary method includes at least one computing device maintaining data representative of a user profile associated with a first user of a first mobile device, detecting that the first mobile device and a second mobile device associated with a second user are located in a geographic vicinity, determining, in response to the detecting that the first mobile device and the second mobile are located in the geographic vicinity, that the second user matches at least one criterion defined within the user profile associated with the first user, and automatically storing, in response to the determining, contact information corresponding to the second user.