@maiki It is just baffling to me that this isn't a thing yet.
I'd even be cool with SaaS that does it for you, and you can connect Dropbox or other storage to it. So everyone stores their messages sent, and they choose to copy/save messages people sent them.
Let them set expirations for vids to delete.
shoot, even just a toolbar widget to record, then give me a url for it (with expiration, etc) would do it for me.