Peer-to-peer location-based messaging

A method performed by one or more computers, the method comprising:

• receiving, by the one or more computers, beacon data indicating that a mobile device detected a wireless message from a beacon device, the beacon data comprising a beacon identifier for the beacon device;
• using, by the one or more computers, the beacon identifier to identify a user associated with the beacon device and a location associated with the beacon device;
• and
• providing, by the one or more computers, (i) first notification data for display to the user associated with the beacon device, wherein the first notification data indicates the location associated with the beacon device and the notification data indicates that a visitor is present at in a user interface, and/or (ii) second notification data to the mobile device for display to the visitor.

A system comprising:

• one or more computers;
• and
• one or more computer-readable media storing instructions that, when executed by the one or more computers, cause the one or more computers to perform operations comprising:
• receiving, by the one or more computers, beacon data indicating that a mobile device detected a wireless message from a beacon device, the beacon data comprising a beacon identifier for the beacon device;
• using, by the one or more computers, the beacon identifier to identify a user associated with the beacon device and a location associated with the beacon device;
• and
• providing, by the one or more computers, (i) first notification data for display to the user associated with the beacon device, wherein the first notification data indicates the location associated with the beacon device and the notification data indicates that a visitor is present at in a user interface, and/or (ii) second notification data to the mobile device for display to the visitor.

One or more computer-readable media storing instructions that, when executed by the one or more computers, cause the one or more computers to perform operations comprising:

• receiving, by the one or more computers, beacon data indicating that a mobile device detected a wireless message from a beacon device, the beacon data comprising a beacon identifier for the beacon device;
• using, by the one or more computers, the beacon identifier to identify a user associated with the beacon device and a location associated with the beacon device;
• and
• providing, by the one or more computers, (i) first notification data for display to the user associated with the beacon device, wherein the first notification data indicates the location associated with the beacon device and the notification data indicates that a visitor is present at in a user interface, and/or (ii) second notification data to the mobile device for display to the visitor.