Fragmented and rudimentary measurements prevent more brands from buying in to podcasts. However, some of these issues may improve as ad standards emerge.

As new voice tech has emerged, functions normally embedded in phones have begun shifting to smart headphones, aka hearables.

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.

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.

This report includes our forecast for smart speaker users in Canada, China, France, Germany, the UK and the US, along with a focus on adoption trends for Amazon and Google.

Gen Xers’ wearable usage is rising, albeit slower than it has in past years. By the end of 2018, 15.4 million Gen Xers will have used a wearable device at least once per month, up from 14.0 million in 2017.

In the latest episode of "Behind the Numbers," eMarketer's Yory Wurmser and Rahul Chadha discuss key trends we see for next year, including the growth of mobile commerce (but the continued consumer reluctance to embrace mobile proximity payments in the US), shifting attitudes about mobile screen time and emerging challenges for advertisers.

This year, 23.8 million US millennials will have used a wearable device at least once per month. That's roughly a third of the millennial population, according to our estimates.

This year, mobile commerce sales in the US will account for 39.6% of total retail ecommerce sales—reaching $208.1 billion.

Internet users are making the jump to smartphone usage, encouraged by falling prices for handsets. Between 2018 and 2022, the share of worldwide internet users with a smartphone will rise from 74.0% to 80.2%.

Heading into the fiercely competitive holiday shopping season, Walmart is poised to capture an even larger portion of this year’s online retail sales, according to eMarketer's latest retail forecast.

Earlier this week, Apple CEO Tim Cook praised the EU’s General Data Protection Regulation and advocated for stricter privacy laws in the US. Whenever the head of the world’s first $1 trillion company applauds regulation, people take notice. But Cook isn’t the only one in the business world who believes more data laws are coming our way.

Canada’s AI scene is hot and centers around a few key cities that are home to universities, startups and large enterprises determined to change digital marketing for the better.

Video monetization is strong across advertising and consumer-supported platforms, signaling overall health in the market. As new digital platforms emerge and existing ones solidify their positions, viewing continues to veer away from linear TV and toward digitally connected screens of all sizes and types.

Jascha Kaykas-Wolff, CMO of Mozilla, spoke about the need for a faster and cleaner browsing experience.

Amazon will claim nearly half of US retail ecommerce sales in 2018. Sales will be driven by Amazon’s marketplace, which will account for 68.0% of business.

The proposed new tariffs on Chinese imports haven't been enacted yet, though Friday President Donald Trump threatened such a tax at "short notice." Larger retailers might not feel the effects immediately since many manufacturers have likely stocked up in anticipation, but smaller retailers unable to warehouse extra inventory could feel the squeeze sooner.

The latest round of tariffs imposed by the Trump administration could come as soon as this week. The retail industry might not feel the full impact of these measures until 2019, but additional fees on goods from China will undoubtedly affect US trade, especially if China follows through with threats of retaliating tariffs.

Web browsers, Facebook and the GDPR have each done their part to make third-party data less appealing.