Methods and devices for detecting linkable objects

1. A method of helping a user utilize a portable consumer device to obtain information, the method comprising providing a functionality that:

obtains data from a field of view captured by a camera portion of the device;

uses at least a portion of the data to determine existence of at least one object in the field of view;

identifies the at least one object as a linkable object for which information is made available from a reference source; and

provides an indication to the user that the at least one object is in the field of view, and is a linkable object having information available from the reference source upon user selection of the at least one object by displaying a mark superimposed on a displayed image of the field of view where the mark indicates a location of the linkable object with respect to the field of view.

2. The system of claim 1 , wherein the functionality includes image processing software that runs on a processor in the device.

3. The system of claim 2 , wherein the step of providing the functionality comprises at least one of marketing and selling a telephony device that includes the software.

4. The system of claim 2 , wherein the step of providing the functionality comprises at least one of providing the software for loading onto the device.

5. The system of claim 1 , wherein the functionality includes an image matching service that runs on a processor in a server distal to the device.

6. The system of claim 1 , wherein the data comprises image data.

7. The system of claim 1 , wherein the device comprises a mobile telephone.

8. The system of claim 1 , wherein the device is selected from the group consisting of a hand-held computer and a personal digital assistant (PDA).

9. The system of claim 1 , further comprising displaying the information on a display of the device.

10. The system of claim 1 , wherein the data is a single image of the field of view.

11. The system of claim 1 , wherein the data includes a plurality of images that arise from moving the device.

12. The system of claim 1 , wherein the data includes a plurality of images that depict movement of the object.

13. The system of claim 1 , wherein the data includes a plurality of images that depict entry of a second, different object into the field of view, for which second information is available from the reference source.

14. The system of claim 1 , wherein the indication comprises a graphic displayed on a display of the device.

15. The system of claim 1 , wherein the indication comprises text displayed on a display of the device.

16. The system of claim 1 , wherein the indication comprises at least one of a graphic and text superimposed on the object on a display of the device.

17. The system of claim 1 , wherein the indication comprises outlining at least a portion of the object on a display of the device.

18. The system of claim 1 , wherein the indication comprises a sound.

19. The system of claim 1 , wherein the indication comprises tactile feedback to the user.

20. The system of claim 1 , wherein the indication comprises transmission of an electromagnetic signal.

21. The system of claim 20 , wherein the electromagnetic signal is selected from the list consisting of an email and a text message.

22. The system of claim 1 , wherein the indication comprises activation of a software process.

23. The system of claim 1 , wherein the functionality is capable of identifying the object as human being.

24. The system of claim 1 , wherein the functionality is capable of identifying the object as a barcode.

25. The system of claim 1 , wherein the functionality is capable of identifying the object as a symbol other than a barcode.