How about this for a promotion that can take you places. In Poland, Nokia has a deal for Nokia Lumia owners that lets them take a taxi inside the city of Warsaw for free. There are some restrictions. The cab will be paid by Nokia every 96 hours (4 days) and the ride must be ordered from iTaxi.pl
which is an app that can be downloaded from the Windows Phone Store.
If you follow all of the rules, all you need to do is show the cab driver your Nokia Lumia phone and the fare is covered
by the Finnish handset manufacturer. It's too bad that Nokia doesn't expand this promotion to, say, New York City but that might end up costing Nokia a lot more than the promotion is worth.