Theoretically, of course, can .. Yes, and practically, it's not so difficult to do it. For example, if your husband or wife wants to check if you have a lover on the side, they can use such a spy application as MSPY. If you want to learn more about this, then read someone's whatsapp. Very good everything is painted. All your messages can come with your husband's phone and it will see everything. And also he can trace you where you are geographically.