One of them carried out by the winner of the competition Fun Theory, which held a Volkswagen, 2009 ago. With the juggling of non-organic trash to be like the videogame arcade machines, many people are vying for bottles and cans to reach the highest value.

Not only children, even adults interested in playing arcade racing, by changing "insert coin" to "insert bottle" or "insert can" this.

In the video at this link , you can see the enthusiasm the people of bins called "bottle bank" is. This video was taken in the city of Stockholm, and the engine made by Volkswagen Sweden.

Interesting activities in recycling activities are also conducted the Boston-based company, greenbean Recycle. With a machine cycle is called Zoe, this machine is able to identify waste plastic, aluminum, or glass.

This machine is also able to calculate how many cans, bottles, or plastic that you throw away. The data is then uploaded to the site greenbean, and a number of exciting rewards were provided, including refund or allowance of 5 cents to be transferred to a deposit in your PayPal account, TechCash, or donated to charitable institutions like the Nature Conservacy.

In addition, greenbean provide free gift cards to people who recycle the most cans or bottles. The prize all sorts, from the Boston Red Sox tickets, or other prizes provided by sponsors.

"We want to be like Zynga on recycling," said CEO greenbean, Shanker Sahai, as quoted by CNN. As is known, Zynga is the creator of online games on social networks, such as "Farmville" or "Cityville".