Consumers aged 14 and older access apps more frequently on smartphones than tablets, with social media the top app type on both devices.
Podcast listeners are now listening to more podcast audio than any other form of audio.
When a July 2014 Deloitte study asked subscribers in the US about which activities they conducted more frequently via their mobile networks since signing up for 4G, 33% said they watched more video.
Nearly one-fifth of US internet users intended to purchase a wearable device within the next 12 months.
Access Services grew their share of entertainment sales by 35.6% to reach 26% of the entertainment retail market.
53% of online Americans aged 12 and up listen to online radio, including personalized radio (39%), live streaming (27%) and on-demand music (18%) services.
Watching a video clip was the most popular activity, followed by checking for information on music, leisure or entertainment, and then playing an online game.
The iPhone apps on the list that saw the biggest year-over-year growth were Facebook Messenger (+554%) and Instagram (+197%), also owned by Facebook.