• Golden anniversary: 50th PSI Show posts new record exhibitor numbers

• Promotional products industry presents first empirical effectiveness study

• ZAW calls 35-euro limit an "anachronistic blockade"

Düsseldorf. Refreshingly new, original and powerful: It almost looked as if the entire European promotional products industry had agreed to pay a very special 50th anniversary visit to "its" PSI Show. 993 exhibitors had come to Düsseldorf for Europe's largest trade show for the promotional products industry - more than ever before, an increase of more than 16 percent compared to the previous year (852).

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