Complex sentence: Howard Rheingold (born July 7,1947) is a leading thinker and writer on the cultural, social and political implications of modern communications media such as the Internet, mobile telephony and virtual communities (a term he is credited with inventing).
Split into simpler sentences: Howard Rheingold (born July 7,1947) is a leading crtic and writer. His specialties are on the cultural, social and political implications of modern communication media such as the Internet, mobile telephony and virtual communities (a term he is credited with inventing).