Grok 4 has a favorite source on some hot-topic issues, citing Elon Musk's opinions without being instructed to do so.

This marks the first major pricing adjustment since the service launched as Twitter Blue in India in February 2023.

X CEO Linda Yaccarino said she’s stepping down after two bumpy years running Elon Musk’s social media platform. Yaccarino posted a positive message on Wednesday about her tenure at the company ...