TikTok launches new AI-powered ad tools in Symphony suite, letting marketers create 5-second video ads from text prompts or images. AI avatars can now showcase products, model clothing, and demo apps. Major push to automate ad creation and reduce costs. #TikTok #AI #DigitalMarketing #SocialMediaAds #Symphony #TikTokAds #AIAdvertising #MarTech #VideoAds #Automation