After a year in the department of Physics, Mauro Cherubini obtained a degree in Educational Studies from the third University of Rome (RomaTre) in 2001, with a thesis on the Usability of the Children's Internet Sites. Then he worked as a research assistant at the newborn Media Lab Europe, in Ireland, spending several periods at the MIT Media Lab in Boston. He finally obtained a Master of Arts by Research from the St. Patrick's College, Dublin City University, in 2004, with a thesis on the Microworlds for Ecology Explorations. In 2004 he joined the CRAFT team for his PhD on collaborative annotations of Maps. He is interested in how to use location awareness to enhance and economise the inference process of people during a communication/problem solving/learning activity.