The North American International Auto Show, in preview week right now in Detroit, was chock-full of hot cars and sweet interactives, and the digital star of the show was the Toyota Vision wall. The wall is made up of three 82-inch LCD panels, equipped with multi-touch technology and loaded with tons of content and features about the new Prius. Each of the three screens focuses on one area of content, combining to tell the whole ownership story of the Toyota culture and the lifecycle of the vehicle. The software that runs the experience is based on Microsoft Surface, but is custom-designed.

The North American International Auto Show was full of clever and aesthetically beautiful design elements and here, we show you some of our favorites.

To begin building popular and political support for its bid on an upcoming high-speed rail project in Florida, tech giant Siemens’ Mobility Division will hit four of the state’s cities to educate consumers about the high-tech public transportation system, which would be one of the first of its kind in the U.S. The project has an allocated $2 billion in federal funding and is expected to award the winning bidder in the summer of 2012.

iVillage, the female-centric website, and American Express in November hosted an event at New York City’s Museum of Modern Art to spark a discussion between young adults and moms about financial responsibility. The program was part of a larger initiative called “The Talk” which promotes PASS from American Express, a prepaid reloadable debit card.

When Pop-Tarts set up a Facebook fan page last summer, it was flooded with more than two million consumers interested in talking about its toaster pastries. The online chatter, which included new flavor combination suggestions, inspired the Kellogg’s-owned brand to bring the excitement to life in a pop-up store. The result? The 3,000-square-foot Pop-Tarts World on 42nd Street in New York City (more on all the sweet details in a moment).