"One of the biggest obstacles to mobile advertising has been data plan restrictions, device restrictions and carrier restrictions. The user experience is heavily dependent on the functionality of the consumer's particular handset"

Also intrusiveness. Unless the user has a way to request information, it could present a problem. The last thing we want is junk mail on our handsets. Solution: NeoMedia has a neat little patent. Using your camera phone function you take a picture of a bar code and it will take you directly to a website. Advertisers could display posters with bar codes to sell movie tickets, restaurant coupons, shopping coupons, sporting event tickets, video content for advertising, and billing all tied into one.