Robert Scoble is an American blogger, technical evangelist, and author best known for Scobleizer, the blog that rose to prominence while he was a technology evangelist at Microsoft. Scoble later worked as a video blogger for Fast Company, then at Rackspace and its community site Building 43, which promoted new technology and startups. His books include Age of Context and The Fourth Transformation, both written with Shel Israel, and the first looks at how mobile devices, data, and location-aware tools are changing work and the decisions people make.