This year, 182.9 million Americans will use the internet while watching TV at least once a month.
Slightly more than two-thirds of American adults (68%) now own a smartphone, representing a rapid rise from about half that proportion (35%) in mid-2011.
Age has a significant effect on how LGBT internet users behave when it comes to communication channels and devices, both digital and traditional.
Average order value for visitors referred by social networks grew each quarter during the previous year, but still lagged direct, email and search.
In 2015, 67% of mother Facebook users logged on to the social network via mobile phone, up from 60% in 2014 and just 45% in 2013.
PCs were the most popular game-playing devices, used in 62% of gamer households.
Some 49% of US adults point to their smartphone as the device they most commonly use when looking for local information online.
Mobile banking ranked as the third most-used bank feature among respondents, at 45%.
Tablets are popular devices for video viewing but OTT streaming devices such as Apple TV and Chromecast have moved ahead in digital video monetization.
Facebook accounted for 85% of mobile sharing activity among US internet users in Q4 2014, according to ShareThis, up 51% year over year.