Social networks will reach almost full penetration among adult Gen Zers this year, or 99.0% of users ages 18 to 24. The next-highest penetration rate will be among the 25-to-34 age bracket, younger millennials, at 90.9%.

eMarketer principal analysts Mark Dolliver and Sara M. Watson, along with junior analyst at Insider Intelligence Blake Droesch, discuss the true power of the social media giants, how Gen Z viewers like to consume sports, Twitter leaning into audio, news use on social platforms, how the pandemic has reshaped children's screen time, why people get "red eye" in photos, and more.

After explosive user growth in 2019 and 2020, TikTok will reach a pivotal milestone with respect to its youngest users. By the end of this year, the video app will have a larger number of Gen Z users in the US than that of Instagram. And it will surpass Snapchat in terms of total users by 2023, according to our latest social user forecast.

eMarketer principal analysts Mark Dolliver and Sara M. Watson, vice president of research Jennifer Pearson, and junior analyst at Insider Intelligence Blake Droesch discuss the pivotal decision of Facebook's Oversight Board to ban former President Donald Trump, private search engines making a push, whether social media damages teenagers' health, whether baby boomers will want to shop online post-pandemic, Apple's reported paywalled podcast platform, what happens to astronauts when they're in space, and more.