Post AG. Fairs and events are the leading marketing tool of the manufacturing industry says the Direct Marketing Germany 2006 study commissioned by Deutsche Post AG. In 2005 around 378,000 companies invested in fairs, accounting for 29 per cent of all businesses. They spent 10.3bn euros in total and 27,300 euros on average. Hence, fairs and events rank third among all media, after print advertising (19 per cent) and direct mailings (16). Around 3,612 companies with a minimum annual turnover of 250,000 euros were asked about their use of marketing tools. www.deutschepost.de