Update: It turns out that this story is incredibly old and a bit of a rerun of a story we wrote last year. Some confusion on the date on the left hand side of The Guardian led us to believe the story was brand new. We apologize for the error. Nevertheless the data in the report is still valuable today because there are still plenty of "leaky apps" out there being used to gather data from. Whether apps in the Angry Birds series still have problems remains a mystery but we assume Rovio took this and other reports to heart and did something about it..