Hawkee. The email address is collected for the sole purpose of retrieving the apps you may have trusted next time you log in. Would you feel more comfortable if we asked for your detail once per session? About the removal of apps, what you can also do is remove all the apps, one click. You'll only be cutting the connection, not the deleting the account. Once done, if ever you need to use those apps again, all you'll have to do is reconnect.