Microsoft is ready to take its new Bing chatbot mainstream — less than a week after making major fixes to stop the artificially intelligent search engine from going off the rails. Also Read | Microsoft limits Bing chats to 5 questions per sessionIn the two weeks since Microsoft unveiled its revamped Bing, more than a million users around the world have experimented with a public preview of the new product after signing up for a waitlist to try it. “I’m still learning so I appreciate your understanding and patience