No source on dread.
https://telegram.org/privacy#5-6-no-ads-based-on-user-data
https://telegram.org/privacy#11-changes-to-this-privacy-policy
And nothing mentioned on that subject in official telegram privacy policy
hopper / Bruce Høpper
npub12e…xre7a
2023-07-12 09:45:37
in reply to nevent1q…8p20
Author Public Key
npub12e8zrykjcn0nxgjvzhtc0ngpwt7gcln20t7k00xrlr35gltktxqsuxre7a