Internet World is celebrating its 20th year by refocusing the show into six audience segments. The show, at Earls Court 2 on 24-26 April, will feature strands on digital marketing, e-commerce, social media, content management, cloud and hosting, and mobile. Around 300 exhibitors will feature at the event. In 2011, the show had 11,000 visitors and is aiming for a five per ce...