Every week on eMarketer’s “Behind the Numbers” podcast, we take a few minutes to discuss some of the most intriguing headlines of the past seven days. This week, we're chatting about Apple's surprise revenue warning, Roku's move to sell video subscriptions, and bots everywhere.

In the latest episode of "Behind the Numbers," forecasters Monica Peart and Eric Haggstrom dig into eMarketer's latest estimates for global social network use, highlighting markets where players other than Facebook show noteworthy uptake.

Retail is undergoing a technological transformation that is driving retailers to automate redundant tasks and revamp their mobile strategies.

Consumers are fed up with digital ads. Even though ad blocking has faded out of the headlines, usage rates are still significant as a result of bad advertising experiences across the board. Now the advertising industry has to earn consumers' trust back. We talked to publishers and ad tech execs about how they are looking to improve digital ads and reduce ad blocking use.

Podcast ads are a rising format for B2Bs, and some are finding success by using podcasts as a driver of direct buyers.

In our new report, "Ten Key Digital Trends for 2019," we predict some hard times for Facebook—but not so hard that the Facebook-plus-Google duopoly will loosen its grip on digital ad revenues.

In the past few years, some key ecommerce players—including Amazon, China’s Alibaba, and eBay—have rolled out visual search tools that allow users to submit images as queries instead of text.

In this special holiday edition of The Weekly Listen podcast, we take a break from discussing eMarketer's forecasts, and instead weigh in on other people's predictions for 2019.

For Netflix, 2018 marked another year of double-digit audience growth in the US, and its movie ambitions threatened to shake up cinema in the way that it has already shaken the TV industry. In this "Behind the Numbers" playlist, you can track Netflix's progress around the world, as well as its stumbles.

Privacy laws and data scandals have thrust third-party data in the spotlight. In the meantime, most marketers continue to rely on data they obtain from other firms.

The TV and OTT landscapes continue to shift and slide as consumers adopt digital video and streaming options, and the companies producing long-form content make bets on where audiences will spend their time. Here are eight digital video market predictions for 2019.

Declining mall foot traffic and competition from direct-to-consumer brands and private-label offerings have hurt mid-tier merchants like Toys “R” Us and Sears. But discount retailers like dollar stores are flourishing.

How big is the audience for Facebook's video channel, Facebook Watch, and how has the social network's video strategy evolved? In the latest episode of "Behind the Numbers," analysts Debra Aho Williamson and Paul Verna discuss Facebook's various video efforts and how they stack up against the competition.

Customer service can make or break a company's reputation. It's also a leading reason why consumers choose to abandon a retailer and take their money elsewhere.

In the latest episode of "Behind the Numbers," analyst Nicole Perrin digs into the marketing technology tech stack, and looks ahead to the privacy challenges that marketers will face in 2019.

No social app since Snapchat has succeeded in capturing significant usage in the US. But the Chinese-owned, short-video app TikTok is enjoying sudden growth in popularity. Can it buck the trend and challenge the existing social networks?

The numbers aren't in yet, but Walmart might have overtaken Amazon as the largest digital grocery player in the US.

For KFC, acknowledging the distracting nature of digital ads and making the experience more enjoyable is key. "That may manifest itself in an 8-hour interactive live stream of a room full of kittens playing with a Colonel-shaped cat climber," said Steve Kelly, director of media and digital at the fast-food chain.

Marketers rely heavily on third parties for analytics and technology building. Many are looking to trim their overall vendor counts when it comes to demand-side platforms and supply-side platforms, but are looking for new partners for customer data platforms, while others are building their own tech in-house.

Facebook took a drubbing all year long—or did it? The social network's usage edged down in the US as teens migrated to other platforms (among them, Facebook unit Instagram) and consumers worried about privacy and other issues. But the company also rolled out waves of new products and scored huge revenue gains. Throughout the year, "Behind the Numbers" tracked Facebook's challenges, triumphs and evolving ambitions.