Futurists and those curious about the future, such as Seth Meyers, attended the screening of a new PBS documentary in New York. Musk, flanked by security, came accompanied by a preschooler, his 3-year-old son, X Æ A-12.

X's mother, musician Grimes, appears in the docuseries, which follows innovators trying to tackle some of the world's most pressing problems. Musk estimated that in just five years, in 2029, “AI will be smarter than all humans combined”