Elon Musk and Sam Altman lead rival AI firms and now take public jabs at each other — but it wasn't always like this. Years ago, the two cofounded OpenAI, which Altman now leads. Musk departed ...

2 hours 55 minutes, including one intermission. Recommended for ages 8 and up. Children under the age of 5 are not permitted. Ages 15 and under will not be admitted without an adult. Latecomers ...