I am so glad I did.

It’s starting to become one of my favorite new features. Here’s what it looks like in the Dashboard:

As you can see, MailChimp is giving me updates about my email marketing. Neat. But the really cool part is that it’s an RSS feed, so I can click the little RSS “feed” icon:

then embed Chimp Chatter into my Google home page:

So now I can get updates from MailChimp even when I’m not logged in. It’s pretty cool to open up my browser, then see that my A/B split test just got sent, or a campaign I recently sent got a record high open rate.

Of course, you’ll also be able to change your Chimp Chatter preferences, so that it only tells you about certain stuff: