Mash Media, organiser of International Confex, is celebrating a 35 per cent year-on-year rise in visitor number from 2016. International Confex was held on 1-2 March at Olympia London, co-locating with other Mash Media properties the Event Production Show and office*, which was acquired in 2016.   Ahead of fully audited BPA numbers from the show, the organiser has revealed that early indications reveal a year-on-year spike in visitors of 69 per cen...