<http://schema.org/description>
"Its\u00A0hallmarks are everywhere. Twitter's @username\u00A0convention began there; so did its\u00A0use of\u00A0#\u00A0to denote\u00A0topics. A\u00A0new generation of chat\u00A0software\u2014such as\u00A0Slack and Hipchat, which businesses use for internal communication, and GroupMe, one of the first apps to make\u00A0group text\u00A0messaging possible\u2014are based on its principles. It was born in 1988, it predates the web, and it's called Internet Relay Chat\u2014IRC...."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/247927/some-of-the-internets-coolest-new-businesses-are-based-on-a-technology-older-than-the-web/>