Patent ID: 8781393

Claim:
A method of wirelessly communicating information, comprising: establishing a communication link between a first device and a second device based on a shake of the first and second devices; transferring time and location information to the first device associated with a first user, wherein the time information is based on when the location information is received and is associated with a second user of the second device; determining whether the second user is an existing contact stored in the first device; and updating contact information on the first device by adding the time and location information, without replacing previously stored time and location information, to contact information under the second user each time a time and location information is transferred to the first device from the second device of the second user, the contact information visible to the first user on the first device when contact information for the second user is viewed and comprising different times and locations an in-person meeting occurred between the first user and the second user, wherein the time and location information are used to determine an elapsed time and a distance between a first and a second communication established based on a shake of the first and second devices.