Not surprisingly, social networking is a top activity on both devices, but people aren???t just chatting with their social connections, they???re also % of Active Twitter Users Tweeting about TV, U.S. shopping and looking up relevant program and product info. 33% Simultaneous TV/Mobile Device Usage, U.S. 30% 28 % 29% 26 % 27% 22 % 45 % Shopping 38% 44% 23% 35% Visited a social Looked up informatio