“Innovative Vending Solutions Encourages People to Tweet for Snacks” by Meghan Young, Trend Hunter

Nothing in the world is truly free, but these free vending machines makes it fun to walk away with a complimentary snack. Provided by Innovative Vending Solutions, they can be paired up to any eatery establishment to create a playful promotional connection with consumers. Used by such restaurants as Buffalo Wild Wings, Coyote Ugly Saloon and The Old Spaghetti Factory, guests must post something about the business on  Instagram, Facebook or Twitter in order to get a snack.

Great for events, the free vending machines are not only interactive, it also spurs on word of mouth promotion. They come complete with a touch-screen interface to further the hi-tech element of this marketing tactic. The free vending machines work with specific hashtags.