OpenAI unveiled its first artificial intelligence-powered web browser, putting the ChatGPT maker in competition on a new front with Alphabet’s Google. The browser, called ChatGPT Atlas, is designed to be a more personalised web experience and also field tasks such as booking flights and editing documents on a user’s behalf. Each time a user visits a website within the browser, they will see an “Ask ChatGPT” that pulls up a sidebar to engage with what is on the page. The user might, say, open up...