A new version of the bill would show people a black warning box for 10 seconds when they first open the social media site.

AB 56 would require social media platforms to display clear warning labels about potentially harmful effects on youth mental ...

AB 56, authored by Rebecca Bauer-Kahan, D-Orinda, would show users of all ages a black box warning for 10 seconds when the page is first opened for the day. Getty Images/iStockphoto A bill that ...