Profiling is the creation of digital images that characterize online individual and group behavior. Anonymous profiles identify people as belonging to highly specific and targeted groups, for example, 20- to 30-year-old males, with college degrees and incomes greater than $30,000 a year, and interested in high-fashion clothing (based on recent search engine use). Personal profiles add a personal e-mail address, postal address, and/or phone number to behavioral data.