Roughly 9 in 10 online adults in the US worry about their privacy online at least sometimes, details TRUSTe in its “2013 US Consumer Confidence Index.” Those privacy fears extend to a range of popular online activities, with a high proportion at least sometimes worried about their privacy when shopping online (89%), using social networks (87%), banking online (86%), using email (82%), and using mobile applications (77%). The study finds that concerns surrounding privacy on smartphones in particular is on the rise.