Merge branch 'master' into master

Author: charlie-mcknight

README.md

@@ -1,4 +1,5 @@
-# Coming Soon
+# Interested in joining our beta?
+The Mailchimp SDK is currently in a private beta. If you'd like to join the beta send your Mailchimp username to [[email protected]](mailto:[email protected]?subject=I%27d%20like%20to%20join%20the%20Mailchimp%20SDK%20Private%20Beta).
 
 [<img width="250" height="119" src="https://developer.mailchimp.com/documentation/mailchimp/img/lockup.svg"/>](http://www.mailchimp.com)
 
@@ -18,7 +19,7 @@ Create and update your Mailchimp contacts from your Android app. The Mailchimp S
 
 ### Retrieving SDK Key
 
-Coming Soon
+The Mailchimp SDK is currently in a private beta. If you'd like to join the beta send your Mailchimp username to [[email protected]](mailto:[email protected]?subject=I%27d%20like%20to%20join%20the%20Mailchimp%20SDK%20Private%20Beta).
 
 ### Adding The Mailchimp SDK to your Project