Index News Today — September 12, 2026

The AI landscape is rapidly evolving, with significant investments and innovations shaping the industry. Mecka AI's impending $500M valuation, led by Sequoia, underscores the growing importance of high-quality robot training data, a crucial component in the development of sophisticated AI systems. Meanwhile, the legal sector is grappling with the implications of AI-generated content, as evidenced by the $5K fine imposed on a lawyer for presenting AI-hallucinated witnesses in a murder case, highlighting the need for careful consideration and regulation of AI applications in sensitive fields.

As AI companies continue to push boundaries, ambitious revenue targets are being set, with Moonshot AI, the maker of Kimi, aiming for $2 billion in annual revenue. The increasing presence of AI-driven platforms is also being felt in the social media sphere, although claims about the popularity of certain platforms, such as the White House's statement about Truth Social, should be viewed with a critical eye. In related news, the departure of Microsoft's head of communications after nearly 20 years may signal a shift in the company's approach to public engagement and messaging, particularly as it navigates the complex and ever-changing AI and tech landscape.

Today's signal:
• Mecka AI nears $500M valuation in Sequoia-led deal amid rush for robot training data (techcrunch.com)
• Lawyer fined $5K over AI-hallucinated witnesses in a murder case (theverge.com)
• Kimi-maker Moonshot AI targets $2 billion in annual revenue (techcrunch.com)
• Kimi-maker Moonshot AI targets $2B in annual revenue (techcrunch.com)
• The White House says Truth Social is the ‘most powerful and popular social media platform in the world’ (theverge.com)
• Microsoft’s head of comms is leaving after almost 20 years (theverge.com)