Foursquare Has 10.4 Million Monthly Users

Nielsen says 42% of those who downloaded app use it at least once a month

Lost in the midst of Nielsen's layered "Social Media Report 2012" report earlier this week was the nugget that Foursquare had 10.4 million Android/iPhone users in July, representing about 42 percent of the 25 million people who the New York firm says have downloaded its app. To be fair, BlackBerry users were not in the study. (Though it also stands to reason that only a small share of Foursquare users are on BlackBerry.)