I am not at all concerned about an application developer having access to data about my usage of his app. (In fact I have a hard time empathizing with people wh

I am not at all concerned about an application developer having access to data about my usage of his app. (In fact I have a hard time empathizing with people who are so concerned). I am extremely concerned about an application developer having the run of other data which has nothing to do with his app, which is always the case on a general purpose computer, except insofar as it’s been made into a walled garden.