On Google, more than half of the top 100 searches were related to him as of midday Friday. People searched for lyrics of his most popular songs, especially “Thriller,” “Man in the Mirror” and “Billie Jean.” Google News users had a tough time getting search results for “Michael Jackson” between 2:40 and 3:15 p.m. PST Thursday, sometimes reaching an error page because of the torrent of traffic.