What would it take for advertisers to leave Facebook? We posed that question to our analysts and industry sources. Take a sneak peek at our upcoming Facebook advertising forecast as well.

Facebook’s worldwide ad revenues will pass the $100 billion mark in 2022. That year, for the first time, the platform will account for more than one-quarter (25.3%) of global digital ad spending. Facebook’s US ad revenues will grow by 12.4% in 2020 to $33.48 billion.

Roku is helping Shopify merchants deploy CTV ad campaigns: The move will increase the total addressable market of Roku’s ad platform, while also increasing accessibility for SMBs.

Prior to the pandemic, virtual events were uncommon—72.1% of event and meeting professionals worldwide surveyed by software company Aventri in April 2020 did not have a virtual event strategy before the coronavirus hit. This year forced most marketers to reconceptualize how to execute an in-person event in an online forum. And that pivot is here to stay.

Advertisers aren't confident that their digital ads are working: A shift to digital channels in 2020 coincided with changes to tracking and privacy that have shaken advertiser faith.

Our October estimate was created at the beginning of the month, before Amazon reported a 50.5% year-over-year increase in worldwide “other” revenues—the line item that includes primarily advertising revenue—in its Q3 earnings.

Google is also the market leader in online advertising, and is on track to command 29% share of global digital ad spending in 2021. Why it’s worth watching: Google has demonstrated that it’s using its dominance in smartphones and browsers to further its influence in search and in advertising sales, which could be perceived as monopolistic by regulators.

International data flows are important to large multinational marketers and marketing platforms. Without an agreement, US companies will continue to face legal jeopardy in Europe—as they will in other countries with data privacy laws, such as Australia and Switzerland—when dealing with international data flows.

China’s total media ad spending and digital ad spending will both grow at their lowest rates since we began tracking them in 2012, but the ad industry is nonetheless set for an eventful year in the world’s second-largest market.

Amazon’s move into podcasts creates the possibility for massive, networkwide deals: The platform’s recent content acquisitions point to how lucrative podcasts are as a vehicle for ads, even during the pandemic.