The "world's most valuable campaign" adventurously imbued paper ads with real monetary value.
'GetGoing' finds flights with large discounts if you allow the site to pick where you go on vacation.
Kapture is an app that gives users discounts and freebies for sharing pictures of products in-store.
Coffee Meets Bagel offers one match at noon and if both people accept, they are then given a discount for a local venue and connected via SMS.
Coca-cola's drink dispensers stocked with Limon&Nada in Spain were equipped with thermometers and the product became cheaper as the weather got hotter.
Research scientists from the company have created a prototype that enables shoppers to scan products and see allergen info, recommendations, discounts, and more.
Passersby can now look for local offers with these public multi-touch screens.
Promobilletes aims to sell public transport tickets in Barcelona at discounts of between 10 and 50 percent thanks to sponsorship from advertisers.
Chinese site Handsup lets users start the deal-making for various goods and services and boosts online sharing.
In a smart move, Walmart is leveraging the social network's wide reach to make more people aware of its discounted deals.
Using truck-mounted scales and bins with electronic identification tags, RecycleBank weighs the paper, glass, and metal left on the curb by individual households and rewards them with shopping discounts.