> the other party could inadvertently leak your data through another app they connect In snail mail, a sent letter becomes the property of the recipient, and t

> the other party could inadvertently leak your data through another app they connect In snail mail, a sent letter becomes the property of the recipient, and the recipient can do whatever he wants with it. Why should email be different? We're not talking about a static "profile" like Facebook has, but individual messages.