A mail system that doesn’t have a Bcc function doesn’t belong in the 21st Century. This reminds me of a comment that we almost always get on HN when Facebook comes up, and its almost always right: it's not for you. If you want Bcc, it's not for you. The millions of people who are younger than you don't think to CC, let alone BCC. They want to communicate, and they want to do it now, and email is just that formal thin…
But when my whole family is on facebook, and have stopped checking their email. Then yeah, it is for me too.