A thread
Strong signals: watching a full video, sharing/commenting, following the creator
Weak signals: a user’s device, language preference, and whether user + creator are in the same country
If the feedback loop continues, voila, your video may go viral
If not, voila, algorithm purgatory
*but* TikTok says neither follower count nor past engagement trends “are direct factors in the recommendation system.”
Corollary - it's a level-ish playing field