The TikTok machine is working at full capacity, catapulting niche items from the online Amazon jungle into popularity — everything from the latest micro beauty trends like skin icing to the accessories of our Y2K youths like DIY colorful plastic rings to using the suffix “core” to help define your style, TikTok has popularized it all. This leads us to a serious question: If you haven’t adopted at least one lifehack or bagged a game-changing product from the app, are you really spending…