Typically, respondents reported researching products on their smartphone while either at home (58%) or generally “on the go” (43%), followed by in a store (31%), making retail locations the No. 1 single out-of-home place for smartphone owners to take action.
Meanwhile, the locations of online ads noticed on mobile devices shifted between July 2011 and March 2012 toward a greater emphasis on general website ads as well as in-app ads. Respondents were somewhat less likely to notice ads in March on search engines or on retailer websites. Read the rest at eMarketer.