Interact with customers to grasp their attention

Car maker Opel launched their new Opel ADAM in Denmark by placing a few "interactive" cars around Copenhagen's city centre.

Flashy colors and catchy music are triggered by people passing by:

Results: in car advertising, emotional & rational

Street Marketing - "real life" interactive bus stop

Qualcomm, a U.S. Mobile Network, equipped several bus stops with a poster and a good old URL (more self-speaking than a QR code...) for bored people to visit the mobile website while waiting for the bus.

Interesting bit is that the mobile experience turns into a real-life experience, enlightening the day of people in the area:

Results: lots of buzz, word of mouth, good impact on brand image