What is the right age of internet adulthood? Note that we are not talking about the age at which children can browse the web or watch videos on YouTube or TikTok. We’re talking only about the age at which a minor can enter into a contract with a company to use the company’s products. We’re talking about the age at which a child can open an account on YouTube or TikTok and begin uploading her own videos and getting her own highly customized feed, while giving her data to the company to use and sell as it says it will do in its terms of service.