By the end of the 1980s, he became increasingly interested on the advertising market.
Despite what has happened to the online advertising market, he said, the Internet "is more powerful today than it was at the time."
Germany's advertising market is Europe's biggest, worth some $3.2 billion a year.
What would that have cost in the open advertising market?
He said the children's advertising market had grown by about 25 percent this year, to a total of $500 million.
That spending represents 6 percent of the overall advertising market.
The weak advertising market has hurt that magazine as well, a person close to the company said.
That is excellent for just about any sort of business, especially in a poor advertising market.
But in January, the bottom dropped out of the advertising market.
It was expensive to produce and had a soft advertising market.