1. Twitter's new feature, "Twitter X," is automatically feeding user data to Grok AI, a third-party artificial intelligence company, without explicit user consent. This data includes information such as the content of users' tweets, their location, and other personal details.

2. The article explains that this data-sharing arrangement is enabled by default, meaning users must actively opt-out if they don't want their information to be shared with Grok AI. The process to opt-out is not immediately apparent, and the article provides step-by-step instructions on how users can disable this feature.

3. The article raises concerns about the privacy implications of this data-sharing practice, as users may not be aware that their personal information is being shared with a third-party AI company. It encourages users to review their Twitter settings and opt-out of the "Twitter X" feature if they do not want their data to be used by Grok AI.