Sources: Tencent and ByteDance are a testing a new tool called CAID, developed by the China Advertising Association, to bypass Apple's IDFA ad privacy changes (Financial Times)

Financial Times:
Sources: Tencent and ByteDance are a testing a new tool called CAID, developed by the China Advertising Association, to bypass Apple's IDFA ad privacy changes  —  ByteDance and Tencent see if they can keep tracking iPhone users with solution created by state-backed group