> These properties are useful for all of our applications, all of the time — not just when passwords or personal information are involved.

Bingo. HTTPS only is a much better way to operate web properties these days -- the only downside is a fairly marginal investment of money and time.

What's interesting is to see the headaches people experience with mixed content warnings/errors before they move to the Light Side of the Force (I've been at places where this is a substantial undertaking/roadblock).