Nielsen has released a new report containing a range of figures related to how US consumers use different forms of media and devices. Among them, a breakdown of the top 8 activities performed on mobiles, by function. The top activity, texting, occupies 14.1% of consumers’ mobile time. Coupled with the 5.3% devoted to email and instant messaging, that means that about 1 in every 5 minutes spent on a mobile phone is spent messaging in some form. The next biggest category? Social networking, which occupies 10.2% of mobile time. Read the rest at MarketingCharts.