Mobile Minutes: Mobile World Congress lands in US; InMobi’s $4M fine; Samsung Pay; Vine on monetization

This ad firm that tracked kids got smacked with a $4M fine
The Federal Trade Commission came down hard on a mobile ad firm on Wednesday after ruling that the business deceptively tracked hundreds of millions of consumers, including children.
Read more on Fortune

Unlike Apple Pay, new Samsung mobile payment system won’t charge banks
Smartphone leader Samsung Electronics has for years been a spectator as Apple built a services “ecosystem” supporting its products. But now, as the two develop the market for mobile payments, the Korean tech giant is taking the fight to its U.S. archrival.
Read more on NBC News

Vine’s new GM Hannah Donovan on monetization, competition and its future at Twitter (Exclusive)
When Vine debuted back in early 2013, it was the hot new thing for creating and sharing short videos. Since then, we’ve seen short-form pop up everywhere, criticism about creators’ ability to monetize on the Twitter-owned platform and shiny new services like Snapchat steal some of Vine’s spotlight.
Read more on Variety