and a growing large number of small and medium—sized businesses, and they can advertise. on tiktok, we have different ad formats within the for you feed, which is the main source, but not the only one. so that's the main business model that tiktok has. and what about the data you collect on users? now, do you sell that? because that is a big criticism of tech companies. you give us a free product, but in return, you're gathering huge amounts of data on us and use that to make money, so are we really working for you? so, the thing that advertisers really value about tiktok is that you can very easily see what people are interested