Will Smith makes unexpected appearance at Defcon hacker conference

American actor Will Smith captured the attention of Defcon attendees when he showed up unexpectedly at the hacker conference on Sunday apparently to do research for an upcoming movie. The actor attended a talk that featured Apollo Robbins, a renowned sleight-of-hand artist, security consultant and entertainer, who is best known for picking the pockets of Secret Service agents during an encounter with U.S. President Jimmy Carter. Smith came at the invitation of Robbins, who is coaching him for an...