This weekend title is about the marketing phenomenon of influencers. They have more reach than Hollywood stars and receive six-figure sums for posts. What makes the influencer market tick, what influence do the new heads of the scene have - and what are the dark sides of the social media advertising world? The article was written by a team led by financial editor Judith Henke. The illustration was created by Andrea Ucini, known for his Handelsblatt cover "German Snail".