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A partir del 2004, la penetración de servicios Web 2.0 a través de Internet, posibilitó una segunda generación de comunidades basadas en la Web y de servicios residentes en ella; tales como sitios que permiten generar redes sociales que facilitan la creatividad, la colaboración y que ofrezcan a los usuarios la posibilidad de compartir entre ellos contenidos y otros recursos, sin importar su diversidad o ubicación geográfica. Uno de los servicios más exitosos de la Web 2.0 son los denominados Wikis. Basta con mencionar a Wikipedia, la enciclopedia libre y de construcción colectiva, como el ícono de lo que representa las posibilidades de esta tecnología informática en Internet.

" Learn the secrets to great leadership practices, and get immediate and practical solutions that address your needs. More Permissions ASCD respects intellectual property rights and adheres to the laws governing them. Learn more about our permissions policy and submit your request online. Policies and Requests Translations Rights Books in Translation Home Current Issue Archives Buy Contact Read Abstract Online June 2014 | Volume 71 Making a Difference Pages 16-21 Overcoming the Challenges of Poverty Julie Landsman Here are 15 things educators can do to make our schools and classrooms places where students thrive. Last year, when I was leading a staff development session with teachers at a high-poverty elementary school, a teacher described how one of her kindergarten students had drifted off to sleep at his seat-at 8:00 a.m. She had knelt down next to the child and began talking loudly in his ear, urging him to wake up. As if to ascertain that she'd done what was best for this boy, she turned to the rest of us and said, "We are a 'no excuses' school, right?" A fellow teacher who also lived in the part of Minneapolis where this school was located and knew the students well, asked, "Did you know Samuel has been homeless for a while now? Last night, there was a party at the place where he stays. He couldn't go to bed until four in the morning." I couldn't help but think that if the "no excuses" philosophy a school follows interferes with basic human compassion for high-needs kids, the staff needs to rethink how they are doing things. Maybe they could set up a couple of cots for homeless students in the office to give them an hour or two of sleep; this would yield more participation than shouting at children as they struggle to stay awake. This isn't the first time I've heard of adults viewing low-income children as "the problem" rather than trying to understand their lives. In a radio interview I heard, a teenage girl in New O