When OpenAI announced Deep Research at start of February, the company promised to bring the tool to Plus users "in about a month," and now it's doing exactly that. Starting today, the feature, which you can use to prompt ChatGPT to create in-depth reports on nearly any subject, is rolling out to Plus, Team, Edu and Enterprise users. Previously, you needed a $200 per month Pro plan to try out Deep Research.For the time being, Plus users will get 10 Deep Research queries per month included with th...