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The biggest surprise in the news that school officials in Saginaw, Mich. are hoping to sell ads inside their buses? That Google's not behind this effort to market to a captive audience. "Times are hard," one official told AdAge. "The fuel prices are definitely affecting a lot of people, and school districts are in that boat." Schools in Colorado and Michigan already run ads inside and outside buses. Another Michigan school system tried in-bus ads but abandoned the effort after ads from a cell phone provider, health clinic and credit union didn't perform well with the kids. Even now, we're sure that an assistant product manager at the Googleplex is scrambling to cook up a 20-percent-time project to help them out with improved content matching and monetization. (Photo by KB35)