or from their interests. some of the best people to carry marketing messages to children are children. they are called "kidfluencers." they produce content than can reach billions. like this video from 10—year—old ryan from texas. this has been watched more than 2 billion times. youtuber tiana from nottingham was treated like a pop star when she met fans of her toy review channel at a shopping centre, aged just 10. kidfluencers make money in a couple of ways. first, the traditional way. companies pay them to promote their products. when kidfluencers have built a large following, there's a second, more lucrative way to make money from ads. when they upload video, they decide how many advertising spots they want to sell around it.