Nine Hundred Million

What this post does: The adoption curve already happened. The &lsquo;is AI real?&rsquo; question is settled by the number itself — not by argument. Nine hundred million people used ChatGPT last week. That number came out of OpenAI&rsquo;s funding round disclosures, almost as a footnote. The headline was the $852 billion valuation. The $122 billion raised. Amazon&rsquo;s $50 billion check. People…