Likewise, the StubHub app sucks up all of your contacts, location details, and even personal calendar data. It's so far, we have to carry an additional "blank"

Likewise, the StubHub app sucks up all of your contacts, location details, and even personal calendar data. It's so far, we have to carry an additional "blank" device for use with these mandatory app situations. For a contrasting example, Moviepass leaves your contacts and calendar alone.