1. Meta (formerly Facebook) will begin using users' information to train its artificial intelligence (AI) systems starting next week. This means that Meta will use data from its various platforms, such as Facebook, Instagram, and WhatsApp, to improve its AI models and algorithms.

2. Users will have the option to opt-out of this data usage for AI training. Meta has stated that they will provide clear instructions on how users can choose to opt-out of this process if they do not want their information to be used in this way.

3. The article raises concerns about the potential privacy implications of this move, as users may not be fully aware of how their data is being used and the extent to which it can be accessed by Meta's AI systems. It also highlights the ongoing debate around the balance between technological progress and individual privacy rights.