When you click on an email address from a contact record you will now see the new Email Intelligence Info Box. This box will let you send an email, change the opt-in status (opt-in with one click or opt-out). It will show you when the status was last updated. The most valuable part of this info box is that it shows you the last time this email address opened one of your emails, or clicked a link in an email.
Double Your Sales (without breaking a sweat!)