TikTok is hugely popular with young people. It claims almost 700 million monthly average users – including 100 million each in the USA and Europe – with half of those under 34 years of age. This is all in spite of various regulatory and political problems, such as questions and fines related to data privacy, bans or threatened bans in several countries.
It is rapidly becoming an important advertising channel. App monitoring firm App Annie found that the average time per userspent on TikTok (in the USA and UK) is now higher than for YouTube. The platform boasts...