AC Nielsen eRatings.com is a joint venture between television audience researcher AC Nielsen and Internet measurement software company NetRatings, which own 80 percent and 20 percent of the company respectively.

• AC尼尔森网络调查公司是研究电视收视率的AC尼尔森公司和互联网统计软件公司NetRatinsg两家合资组建的，各占80%25和20%25的股份。