The document is a timeline that provides key dates in media history from 1877 to 2007, including the years that commercial TV began in 1931 and the World Wide Web launched in 1991. It also asks whether new media slays old media and answers "no," suggesting different forms of media can coexist over time with changes in how people consume information.
#7: radio
the first year a license was issued to a broadcast station
#8: KDKA in Pittsburgh, Pennsylvania
licensed on November 2, 1920 by the Department of Commerce
owned by Westinghouse
today is a radio station and Channel 2 TV
CBS owned and operated