A new joint study from Duke University, Intel Labs and Penn State University has found that some Android apps are sending excessive and potentially dangerous levels of location and personal info to ad producers. Of 30 free, successful apps, about half were sending advertisers the user's GPS positioning and even phone numbers beyond what they were known to do. The updates would occur even when no ads were running, Ars Technica noted, and could occur as often as every 30 seconds.
