Promising more transparency, digital ad firm SocialCode and creative crowdsourcing network Tongal are offering brands a solution for developing and distributing paid social, video and mobile campaigns.

Is your mobile marketing strategy still a work in progress? You're not alone, according to a new report from RadiumOne, which included responses from about 300 senior marketers.

At least for the moment, cyber criminals are far less likely to pose as mobile users than desktop users. Indeed, 82% of fraudulent online accounts originated from desktop machines compared with 18% from mobile platforms, according to fresh findings from security research firm DataVisor.

Transformative as it has been, the mobile revolution has left Google's dominant market position largely intact. Indeed, the search giant will soak up the lion's share (40.7%) of domestic digital ad revenues this year, according to a new forecast from eMarketer.

Facing continued pressure from civil rights groups, Facebook is adding additional language to its policies to more clearly explain that developers cannot "use data obtained from us to provide tools that are used for surveillance.""Our goal is to make our policy explicit," Rob Sherman, deputy chief privacy officer at Facebook, notes in a new post.

Among other factors, marketers can thank mobile for slowing the adoption of ad blockers among millennials. That's because mobile ad blockers are often not as effective on mobile -- and especially within apps -- as they are on desktops and laptops, eMarketer notes in a report.

Worldwide, more people now rely on mobile gadgets than desktop computers to browse the Web, research shows. Occurring at some point last October, the shift marks a major milestone in the way we communicate, consume and share information.

By 2021, U.S. annual mobile ad spending will reach $72 billion, according to a forecast from BIA/Kelsey. That's up from $33 billion last year, by the research firm's reckoning. If accurate, mobile ad spending will see a 17% compound annual growth rate through 2021.

Mobile messaging apps haven't quite taken over the world -- but they're getting there. By 2019, in fact, more than a quarter of the world's population will be using mobile messaging apps, per a prediction from eMarketer.

Retaining app users over time remains a big challenge for marketers.In fact, only 10%-12% of users remain active seven days after downloading an app -- while a mere 4%-5% are still active after 30 days, according to research from AppsFlyer.