Well, yes and no, but largely yes you can, but you probably shouldn't. Find out about why and how and the legal implications of Big Boy Brandis storing your metadata by listening to this here radio segment I did called Prima Facie (on the face of it, for those of you not fluent in Latin) with an actual retired Victoria Police detective on Hootville. Don't have a radio? Don't you worry, here it is below.

It's really very good: