Brazil is just emerging from a long economic recession and political upheaval. In these troubling times, several creative thinkers are coming out with ideas of offering services and making a buck or two. They have developed an app, where people can sell their thrash. The collectors who bring the thrash to the recycling plants are paid in 'cents per kilo.' Earlier, no one paid attention. But recently people are making frequent calls to collectors in the cities and making use of their services.