 With the invention of email for ARPANET in 1972, communication through a computer to distant geographies became substantially easier.Listservs, which allow a multitude of respondents to interact with an email thread and Bulletin Boards, an online representation of the community bulletin boards commonly found on campuses, were introduced contemporary with one another.These three tools along with USENET provided the tools for rudimentary online communities to begin to coalesce around health related topics.