Here’s a good business practice: if people opt out of your crappy emails, send them the occasional email attempting to make them regret their decision.
Dear Windows Live User,
We are contacting you regarding your communication preference settings for Windows Live and MSN.
Currently, your settings do not allow Microsoft to send you promotional information or survey invitations about Windows Live and MSN. We would like to communicate important product updates to you, so if you would like to change your settings, please visit your account profile here to change your preferences.
The Windows Live Team
Isn’t that reassuring? They’re just making sure I know about all the promotional information and survey invitations that I’m missing out on. This adds a little more to my growing disillusionment with Microsoft.