I Ward Christensen, mibait ya king West Bend, Wisconsin, U.S., iya ing mitatag keng CBBS bulletin board, ing mumunang bulletin board system (BBS) a mikabit keng online. Migumpisa yang menalkusinyang metung a blizzard king Chicago, Illinois, anmpong opisial a mitatag a CBBS kaibat ning apat a dominggu, iniang Pebreru 16, 1978.