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.

Social media memes have been around for over a decade, but the last twelve months have solidified their position as a staple of digital communication. While the topics themselves are no laughing matter, lighthearted humor about shared struggles has become a coping mechanism—or simply a much-needed distraction—for many.

IDFA slows mobile app advertisers: Ad spending for mobile app installations will see slower growth in 2021 as Apple's changes to IDFA spark concerns about future effectiveness.

Walmart wants to be first pick: The retailer is beefing up its online grocery offerings as it tries competing more effectively against Amazon and others.

Twitter gets newsier: The social company bought newsletter publishing platform Revue as it works to provide creators an opportunity to grow their audiences and hopefully bring them back to Twitter.

The coronavirus pandemic dampened growth in US mobile ad spending. This year, we expect US mobile ad spending will rise by 22.2% to $117.35 billion, which falls below our pre-pandemic estimate ($123.59 billion).

In 2021, expect to see a convergence of content and commerce, led by the likes of Peloton, Lululemon, Nike and Apple. Amazon and Google are also getting into the act as well with Halo and Fitbit, and emerging services offerings.