ComScore has released its report on key trends in the U.S. smartphone industry for February 2015. Data from MobiLens and Mobile Metrix determined the top 15 applications by app audience. Facebook ranked as the top smartphone app, reaching 71.2 percent of the app audience, followed by YouTube (56.4 percent), Google Search (52.2 percent) and Google Play (51.4 percent). … [Read more...] about The Top 15 Smartphone Apps