One of the themes discussed at the beginning of the Sao Paolo gathering (after we dried off the Sao Paolo rain, which took us by surprise on the way and drenched us, literally, and which allowed us to skip the ice-breaking  dynamic) was about the main barriers that impede social technologies in reaching the people for whom they were invented. Social technologies are products and services that seek to improve the quality of life of the people who today are exclused from the system because of their economic situation, location, culture, physical disability, etc.