This document discusses how Web 2.0 technologies can facilitate scientific and intellectual movements (SIMs). It defines SIMs as contentious challenges to received wisdom that involve breaks from past practices and coordinated collective action. The document examines how open notebook science, science blogging, and information sharing on FriendFeed can enable SIMs by allowing scientists to openly share data and ideas. The author is conducting ongoing research on how online tools impact scientific roles, collaboration, openness, and communication in the life sciences.