Twitter will count 56.4 million monthly US users in 2021, but fewer and fewer in the coming years, per our projections.

Here’s how marketers can navigate Q3 2021’s product, commerce, and monetization changes on Facebook, Instagram, Snapchat, TikTok, and Twitter.

On today's episode, we discuss what's next for Twitter after Jack, moving on from the "one great ad" approach, whether anyone can become the next big audio app, Nielsen's major TV measurement change, if the internet broke brand loyalty, how to make virtual office holiday parties less awful, why we acknowledge daylight saving time, and more. Tune in to the discussion with eMarketer director of forecasting Oscar Orozco, director of reports editing Rahul Chadha, and analyst at Insider Intelligence Blake Droesch.

TikTok is now the third largest social network in the US, ahead of Snapchat and Pinterest. Facebook won’t be able to stop the teen exodus, Instagram’s user base is growing older, and Twitter will start losing users.

TikTok is now the third-largest worldwide social network, according to our inaugural forecast. It will have 60% more users than Snapchat and twice as many as Twitter this year.

TikTok's success has renewed social platforms' interest in algorithms: Instagram, Snap, YouTube, and Twitter have all begun implementing algorithmically-recommended content over the past year.

On today's episode, we discuss the most interesting takeaways from Twitter's Q3 earnings, why the social media company was able to weather Apple's iOS privacy changes, and what Twitter hopes to become by 2023. We then talk about the share of tweets that come from young people and the appeal of Twitter Blue now that it includes ad blocking service Scroll. Tune in to the discussion with eMarketer senior analyst at Insider Intelligence Jasmine Enberg.

Following a year of somewhat stalled growth, Twitter will soar past $2 billion in US ad revenues in 2021, marking a 38.5% increase over 2020.

Social media usage gains from 2020 have largely ended. Facebook will have its lowest growth rate ever, Instagram’s user base is getting older, and Twitter is coming down with a case of post-election malaise. However, TikTok and Reddit are still attracting users at an accelerated pace.

On today's episode, we discuss what to make of all of Twitter's new features, which ones will propel the social giant forward, and how Twitter might jumpstart its US user growth. We then talk about Facebook suspending plans for an Instagram app for children, how much Apple's privacy changes have affected its business, and whether the social media titan is serious about getting into hardware. Tune in to the discussion with eMarketer senior analyst at Insider Intelligence Jasmine Enberg.