Following a November social media post, concerns rise about tech giants using private data for AI training. Meta’s new policy, effective December 16, may allow AI interaction through public user content but not private messages. Google’s Gemini AI, updated in early October, reportedly now has default access to Gmail data- an accusation facing a lawsuit for violating privacy laws. LinkedIn allows users to opt-out of AI training, highlighting a growing industry transparency debate, warns Krystyna Sikora, an analyst.