OpenAI has submitted a confidential IPO filing, but the ChatGPT maker says it has not decided on timing or disclosed deal terms. If you can only read one tech story a day, this is it. We use cookies ...

Getting the most out of A/B and other controlled tests by Ron Kohavi and Stefan Thomke In 2012 a Microsoft employee working on Bing had an idea about changing the way the search engine displayed ad ...