Michael Frederick Hauben (1973–2001) was an Internet theorist and author. He pioneered the study of the social impact of the Internet. Based on his interactive online research, in 1993 he coined the term and developed the concept of Netizen to describe an Internet user who actively contributes towards the development of the Net and acts as a citizen of the Net and of the world. Along with Ronda Hauben, he co-authored the 1997 book Netizens: On the History and Impact of Usenet and the Internet. Hauben's work is widely referenced in many scholarly articles and publications about the social impact of the Internet.