1) In 1998, Burger King took out a full page ad in USA Today to announce their new “Left-Handed Whopper.” The new burger was the same as the regular Whopper, but all of the condiments were rotated for the convenience of left handed customers. Thousands fell for it, trying to order the Left-Handed Whopper, while others insisted on the right-handed version.
2 ) In 1992, listeners to National Public Radio’s Talk of the Nation were stunned to hear Richard Nixon announcing he would run for President again. The show was overwhelmed with calls from angry and shocked listeners. Only in the second half of the show was the hoax revealed.
3) In 1976, British astronomer Patrick Moore told listeners of BBC Radio 2 that the alignment of Pluto with Jupiter at 9:47am would temporarily counter-act gravity. He said if a person jumped into the air at precisely that moment, they would feel the sensation of floating. Hundreds of callers told the BBC they had felt the sensation.