Meinrad started his business at age 21 in 1975 and even before the internet, he used growth hacking methods, which lead to his second career as a public speaker. His Guerilla-PR-Marketing speeches are as a Tech magazine described it: Funny like Mr Bean for business. He became nationally known when he invested 1 million Deutsche Marks for a full page ad on the German Post ZIP-Code book at 44 million copies.