This report provides the key takeaways from our inaugural forecast on worldwide Snapchat users, as well as worldwide user data for Facebook, Instagram and Twitter.

In the latest episode of "Behind the Numbers," Debra Aho Williamson, principal analyst at eMarketer, discusses the underlying reasons internet users pick different social networks, and how Snapchat fits in, both in the US and worldwide.

In the latest episode of eMarketer's "Behind the Numbers," analyst Debra Aho Williamson highlights some of her predictions for social media in 2019. What's in store for Facebook? What pitfalls must Instagram avoid? Will the stories format continue to win over users?

After Facebook’s tumultuous year, the future of social media is in question. In this report, we predict what’s in store for 2019.

Our latest UK programmatic ad spend forecast indicates that strong growth remains, despite economic and privacy-related concerns. This year, 87% of all digital display ad spend will flow through programmatic pipes, and that will rise to 89% by 2020.

Mobile video ad spending will grow at a steady clip over the next few years. New ad units and formats like rewarded ads, 6-second nonskippable ads and vertical videos growing in importance for marketers.

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.

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.

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.

Social behaviors are shifting to stories. Advertisers want to be where users are, but how can they create effective ad campaigns that drive results? We spoke with executives at Facebook, Instagram and Snapchat to get the secrets to story advertising success.

In the latest episode of "Behind the Numbers," the first in a two-part series, eMarketer demographics specialists Mark Dolliver and Jennifer Pearson discuss kids and screens—and how parents approach the mix.

While Snapchat and Instagram may appear similar to users, marketers take very different approaches when they use these platforms.

Mobile will continue to attract more ad dollars in 2019. With that in mind, this report presents 10 predictions to help marketers navigate the mobile and media landscape in 2019.

In the latest episode of "Behind the Numbers," analyst Debra Aho Williamson joins us in the studio to talk about social stories—what she calls a 21st Century daily diary. What is it about stories that users and advertisers alike seem to find so appealing?

The New York Public Library is getting readers to continually engage with a feature originally intended for expiring content.

Stories are hot in social media, and the ad opportunities are growing fast. How are consumers using stories, and how do they respond to marketing in stories?

This year, 64.8 million millennials will watch digital video at least once a month, according to eMarketer estimates. That figure will continue to increase year over year, reaching 66.8 million by 2022.

Is connectivity a curse? Are smartphones bringing us down? In the latest episode of "Behind the Numbers," we dig into the latest data about the pyschological impact of media use, social media in particular.

In the first of a three-part series on digital video and TV, analyst Paul Verna breaks down the data on ad spending and subscription fees. When will digital video ad spend catch up with TV ad spend? How much subscription income is flowing into services like Netflix and Hulu?

This third annual StatPack compiles key metrics around digital video, television and the relationship between them.