Microsoft-backed OpenAI's popular chatbot ChatGPT was back up after an outage affected thousands of users, the company said ...

OpenAI acquired the URL "chat.com," which now redirects to ChatGPT, from HubSpot cofounder and CTO Dharmesh Shah.

For decades, Google had an ironclad grip on internet search. Now OpenAI, the startup synonymous with AI, senses an opening.