article_snippet: Scientists asked 23 users of Android's version 4.3 to install software that logged app requests. 
article_snippet: Scientists at Carnegie Mellon University asked 23 users of Android's version 4.3 to install software that logged app requests, according to a report by Elizabeth Dwoskin in the Wall Street Journal.
article_snippet: Most smartphone users, in fact, have no way of obtaining this data about app behaviour.
article_snippet: During the first week of The study, app behaviour data was collected for 23 people as 23 people used 23 people own Android mobile devices.
article_snippet: The AppOps software was discontinued on later versions of Android.