/b> rumors (#156), the <b>Michael Jackson</b> (#73) arrest, and, most significantly, the Paris Hilton sex tape.  Interest in the debutante party girl had been growing gradually all year, and she finally appeared in the Lycos 50 for the first time in <a href="/100803.asp">October</a>.  But once the homemade video of her having sex with ex-boyfriend Rick Solomon was released on the Internet in November, searches for Hilton exploded.  It's just the latest example of how search activity goes sky-high whenever s