Original sentence: Seminars, workshops and keynote adresses are presented by some of the biggest names in the realms of advertising, technology and business.The 56th Cannes Lions International Advertising Festival is to be held from 21-27 June 2009 in Cannes, France
Edited sentence: Seminars, workshops and keynote addresses are presented by some of the biggest names in the realms of advertising, technology and business.The 56th Cannes Lions International Advertising Festival was scheduled for 21-27 June 2009 in Cannes, France