Photos: Cruise, Degeneres save Yahoo demo Summary: When a tech demo goes awry, Yahoo's CEO calls on a Hollywood star to dazzle the audience. By Bill Detwiler | July 19, 2006 -- 11:48 GMT (04:48 PDT) Follow @billdetwiler Previous | Next Image 1 of 7 Terry Semel Yahoo CEO Terry Semel delivers his keynote address at CES 2006 on Friday morning. Topic: Hardware Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.