The '''ACM Conference on Human Factors in Computing Systems''' ('''CHI''') series of academic conferences is generally considered the most prestigious in the field of [[human–computer interaction]] and is one of the top-ranked conferences in computer science.<ref>{{cite web|url=http://www.conferenceranks.com/index.html?searchall=Human+Factors+in+Computing+Systems|title=Conference Ranks|author=Boris Schauerte|work=conferenceranks.com}}</ref> It is hosted by [[Association for Computing Machinery|ACM]] [[SIGCHI]], the [[Special Interest Group]] on computer–human interaction. CHI has been held annually since 1982 and attracts thousands of international attendees. CHI 2020, which was originally planned to take place on April, was cancelled due to [[COVID-19|COVID-19]], and CHI 2021 will be held in [[Yokohama, Japan|Yokohama]].
