Quote from Chandler in The One in Barbados (Part 1)
Chandler: Must be a virus. I think it erased your hard drive. Ross: What? Oh, my God. What did you do? Chandler: Someone I don't know sent me an e-mail and I opened it. Ross: Why? Why would you open it? Chandler: Well, it didn't say, "This is a virus." Ross: What did it say? Chandler: "Nude" ... "Pictures of Anna Kournikova."