Apple's App Store tops 25 billion downloads; Millennial launches self-service mobile ad solution;

> Apple's App Store eclipses 25 billion downloads. Article

> Millennial launches mMedia self-service mobile ad solution. Article

> Opera Payment Exchange brings one-click purchasing to Mini users. Article

> Fiksu: iOS downloads hit new record in January, marketing costs plummet. Article

> Sprint's Adib: Preloading apps isn't the answer. Article

And finally... Researchers develop robotic fish to lead real fish away from environmental disasters. Article