Emma Spiro, along with co-authors Christopher DuBois and Carter Butts, won the Best Student Paper Award at the recent Workshop on Social Network and Social Media Analysis: Methods, Models and Applications at the 26th Annual Conference on Neural Information Processing Systems (NIPS 2012) held on December 8, 2012 in Lake Tahoe, Nevada. The paper Waiting for a Retweet: Modeling Waiting Times in Information Propagation looks at variability in the waiting times between Twitter messages and retweets based on social, content, and contextual factors.