Ten big tech platforms, including Facebook, TikTok and Snapchat, must now take "reasonable steps" to remove Australian users who aren't yet 16 years old, and one potential U.S. presidential candidate in 2028 is saying he'd like to follow suit. How is the law being enforced, and could the U.S. take a similar approach? Learn more about your ad choices. Visit megaphone.fm/adchoices