It sounds like something straight out of a futuristic film: House hunters, driving past a for-sale sign, stop and point their cellphone at the sign. With a click, their cellphone screen displays the asking price, the number of bedrooms and baths and lots of other details about the house.

Media experts say that cellphones, the Swiss Army knives of technology, are quickly heading in this direction. New technology, already in use in parts of Asia but still in development in the United States, allows the phones to connect everyday objects with the Internet.

In their new incarnation, cellphones become a sort of digital remote control, as one CBS executive put it. With a wave, the phone can read encoded information on everyday objects and translate that into videos, pictures or text files on its screen.

[...] The most promising way to link cellphones with physical objects is a new generation of bar codes: square-shaped mosaics of black and white boxes that can hold much more information than traditional bar codes. The cameras on cellphones scan the codes, and then the codes are translated into videos, music or text on the phone screens.

American universities and technology companies have been experimenting with the codes in their labs for several years. Now, as more cellphones come equipped with cameras and the ability to run small computer programs, the codes are beginning to appear on some state drivers' licenses and on some mailing labels, mostly for commercial use.