1. Meta (Facebook's parent company) will start using users' data to train its artificial intelligence (AI) systems starting next week. This new policy will apply to Facebook, Instagram, and WhatsApp users, and it will allow Meta to use their data to improve its AI models and services.

2. Users may be able to opt out of this data collection and usage for AI training purposes. However, the details of the opt-out process are still unclear, and it's uncertain whether it will be available to all users or only in certain regions.

3. The move is part of Meta's broader strategy to invest heavily in AI and position itself as a leader in the field. The company believes that using its vast user data to train AI models will give it a competitive advantage and help it develop more advanced and personalized features and services.