> "Other apps you have installed" is also extremely revealing about the user's interests Yes, ads SDK across different apps can provide detailed aggregated inf

> "Other apps you have installed" is also extremely revealing about the user's interests Yes, ads SDK across different apps can provide detailed aggregated information. Also apps promote each other, the "channel distribution" is huge business and relies on apps acknowledge each other. I highly doubt many of the Tiktok reverse-engineering result may turn out to be some thirdparty ads or anti-fraud SDKs which Chinese companies use often.