Amazon's ad business continues to expand, with the company testing an application programming interface for Amazon Marketing Services, the part of its ad business that encompasses self-served Amazon ads.

"Influencer marketing is a win, win, win strategy": Lip-syncing app Musical.ly is focused on user growth, but brands are already using influencers to reach the audience there.

Bloomberg is using its markets data to create custom display ads that give advertisers the ability to deliver advertising that accurately reflects what's happening in the financial world the moment a user sees it. Bloomberg now offers 27 types of these ads, up from seven two years ago.

Cars Insider, which covers all things auto and is the latest vertical Business Insider is trying to grow through Facebook, launched in July. Now, the Cars Insider Facebook page has more than 490,000 followers and reaches 45 million people monthly on the platform.

Financial technology startups struggle with acquiring new customers. Our sister site Tearsheet explains why.

Check out five new categories in this year's Digiday Publishing Awards, which honor the best global digital publishing innovation by publishers, brands, agencies and technology platforms: Best Branded Content Program, Best Experiential Marketing Campaign, Best Use of Audience Data, Best Paid Subscription Product and Publisher Of The Year. Start your entry in these and any other categories today.