Churchill is a Principal Research Scientist at Yahoo! Research in Santa Clara, CA. She works in the area of Media Experience Research, her area of interest being social media. She is interested in thinking about the emerging digital media “ethnoscapes” (the fluid, shifting landscape of people and groups – passersby, tourists, immigrants, exiles) that make Internet life. Formerly, she worked at PARC, the Palo Alto Research Center, California in the Computing Science Lab (CSL). Prior to that she was the project lead of the Social Computing Group at FX Palo Laboratory, Fuji Xerox’s research lab in Palo Alto.