Instagram’s new default privacy settings for teenagers are designed to keep kids safe from strangers online. It’s a worthy endeavor, but are privacy settings enough? And what about all the other hazards teenagers face on social media?   Guest: Natasha Singer, New York Times tech reporter, focused on how technology is affecting childhood and schooling. Want more What Next TBD? Subscribe to Slate Plus to access ad-free listening to the whole What Next family and all your favorite Slate podcasts. Subscribe today on Apple Podcasts by clicking “Try Free” at the top of our show page. Sign up now at slate.com/whatnextplus to get access wherever you listen. Podcast production by Evan Campbell, Patrick Fort, and Cheyna Roth. Public.com+Public Investing Disclosure: Public Investing offers a High-Yield Cash Account where funds from this account are automatically deposited into partner banks where they earn interest and are eligible for FDIC insurance; Public Investing is not a bank. See public.com/#disclosures-main for more information. Learn more about your ad choices. Visit megaphone.fm/adchoices