You might have received an email from Google(s goog) last week, explaining changes to Gmail that now let Google+ members send messages to your Gmail account without actually needing to have your e-mail address. And if you’re anything like me, you might have deleted that email before reading it. But after reading my colleague David Meyer’s take on the integration of Gmail and Google+ this weekend, I decided to opt out of this new feature, as well as Google’s new privacy agreements that allow it to use your name and photo in ads.

You can read Google’s blog post for more information about the new link between Gmail and Google+, but basically, as long as you have both Google+ and a Gmail account, Google will automatically let you other users search for you on Google+ and send you emails from there. This can be useful in certain instances, like when…