Mr. Musk is requiring Wall Street firms to purchase subscriptions to his A.I. chatbot if they want to advise on one of the largest initial public offerings in history.

OpenAI said the deal would help it “create a space for a real, constructive conversation about the changes A.I. creates.”

Let’s compare all the details so you can make the right choice for you.

Here’s where to watch the original 1993 Mario Bros. movie that gives the impression that no one who made the film ever played the game.

Apple doesn’t regularly release a critical update for previous iOS versions but DarkSword appears to be a serious threat.

Here’s how I make sure I don’t lose sight of my goals — and how you can, too.