Alain Estiot, chief meeting organiser of this year's IBTTA Annual Meeting and Exhibition, talks about hot topics for discussion. The IBTTA's 79th Annual Meeting and Exhibition, which takes place this year in Berlin in September, will once again take many of the developing trends from around the world and look at their effects on the tolling sector. Host organisation Toll Collect's Alain Estiot, chief meeting organiser, says that the event has to be viewed against a backdrop of major global change.