and Urban Space in Networked Social Movements", Speech at Harvard GSD, February 2014, available online 84 And, anyhow: Raquel Alvarez, David Garcia, Yamir Moreno, and Frank Schweitzer. "Sentiment Cascades in the 15M Movement." EP] Data Sci. EP] Data Science, 4:6 2015 85 People who'd never met: W. Lance Bennet