& lt;div class="sitetext"> & lt;! -- zhishiying --> The predecessor of Yahoo! People Search is the famous search site guide Four11, named after the American telephone search station number 411, which was later acquired by Yahoo Inc. Four11 has a powerful search capability and user-friendly interface, and has been awarded "Outstanding People Search Site Guide" by PC Magazine in 1996 and 1997. Four11 mainly provides mail search, phone number search, advanced email search, yellow page search and other functions.