Social interaction using facial recognition

1. A method for facilitating real-world interaction, the method comprising:

receiving, at a server, information regarding geographical positions of a plurality of client devices;

determining, at the server, that a subset of the plurality of client devices are within a given distance of each other;

matching a plurality of faces detected in an image captured by one of the plurality of client devices to facial data stored in a user database; and

providing, to the one of the plurality of client devices, information regarding a plurality of users associated with the facial data, wherein the one of the plurality of client devices presents the information regarding a plurality of users in an order that presents preferred users first.

2. The method of claim 1 , wherein the step of matching is performed on the server or on the one of the plurality of client devices.

3. The method of claim 1 , wherein the information comprises a first name, last name, alias, hobby, interest, contact information, or business card associated with the user.

4. The method of claim 1 , further comprising sending, from the one of the plurality of client devices to the user, a request for a payment, a payment, a chat request, text, a photo, or a request to initiate a game.

5. The method of claim 1 , wherein the facial data is narrowed in accordance with a proximity of the user to the one of the plurality of client devices, a physical attribute of the user, a derived attribute of the user, or a social-media connection of the user.

6. The method of claim 1 , wherein the information regarding a plurality of users associated with the plurality of faces is further presented to the one of the plurality of client devices in a random order, in an order sorted by distance to the one of the plurality of client devices, or in an order sorted by sex or age of the users.

7. The method of claim 1 , wherein the image is a still image or one of a plurality of video frames.

8. The method of claim 1 , further comprising displaying an advertisement on the one of the plurality of client devices targeted based on information in the user database relating to the user.

9. A system for facilitating real-world interaction, the system comprising:

a database for storing a plurality of user profiles, wherein each user profile comprises facial data associated with a user; and

a processor for executing instructions comprising:

i. receiving information regarding geographical positions of a plurality of client devices;

ii. determining that a subset of the plurality of client devices are within a given distance of each other;

iii. matching a plurality of faces detected in an image captured by one of the plurality of client devices to facial data stored in the database; and

iv. providing, to the one of the plurality of client devices, information regarding a plurality of users associated with the facial data, wherein the one of the plurality of client devices presents the information regarding a plurality of users in a random order.

10. The system of claim 9 , wherein the client devices comprise smartphones, tablet PCs, or laptop computers.

11. The system of claim 9 , wherein the information regarding geographical positions of the client devices is derived from a GPS receiver, Wi-Fi antenna, or user input on the client devices.

12. The system of claim 9 , wherein the image is captured using a still camera or video camera associated with the one of the plurality of client devices.

13. The system of claim 9 , wherein the matching is performed on a server or on the one of the plurality of client devices.

14. The system of claim 9 , wherein the information comprises a first name, last name, alias, hobby, interest, contact information, or business card associated with the user.

15. The system of claim 9 , further comprising sending, from the one of the plurality of client devices to the user, a request for a payment, a payment, a chat request, text, a photo, or a request to initiate a game.

16. The system of claim 9 , wherein the facial data is narrowed in accordance with a proximity of the user to the one of the plurality of client devices, a physical attribute of the user, a derived attribute of the user, or a social-media connection of the user.