If you purchase an independently reviewed product or service through a link on our website, Variety may receive an affiliate commission. In the shifting sands of Hollywood’s attention economy, TikTok isn’t just a disruptive force anymore — it’s the unofficial showrunner of a new era. What started as a Gen Z-leaning social app has quickly become the entertainment industry’s most unpredictable trendsetter, reshaping everything from talent discovery to studio marketing strategy to the way stories