Bill Wasik is a senior editor of Harper's Magazine. He has also contributed to McSweeney's magazine and served as Editor of The Weekly Week. Mr. Wasik revealed himself in 2006 to be the inventor of the 'flash mob' phenomenenon, having anonymously organised the first recognised examples in New York City, USA during the summer of 2003.Bill Wasik is a senior editor of Harper's Magazine. He has also contributed to McSweeney's magazine and served as Editor of The Weekly Week. Mr. Wasik revealed himself in 2006 to be the inventor of the 'flash mob' phenomenenon, having anonymously organised the first recognised examples in New York City, USA during the summer of 2003.