Bluetooth technology is still an up and coming form of advertising, but the idea is compelling. Your ad pings the cellphones that are within a certain distance and asks the user if they would like to receive its content. Pepsi recently launched a campaign that leveraged this emerging platform:

teleclick.ca had this report:

Passers by are encouraged to approach the billboards and download a viral video clip onto their cell phones, via a Bluetooth wireless connection.

“Bluetooth delivers a truly interactive user experience. It supercharges a campaign by allowing delivery of brand-driven content to a consumer’s cell phone, a part of their daily lives,” explained Karen Robinson
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Your custom content finding an audience and engaging them. How cool is that? Just another way to augment your print campaign, deliver multimedia content and develop a conversation with your customers via a mobile device.