If you havent tried it, you may want to soon... 
https://www.google.com/inbox/

Here's why: INBOX IS THE TROJAN HORSE FOR YOUR PERSONAL AI
http://solveforinteresting.com/inbox-is-the-trojan-horse-for-your-personal-ai/

Gmail Ending? Google Starts Migrating Usershttp://www.forbes.com/sites/gordonkelly/2015/12/05/google-ending-gmail/#635242b42b55