You can opt out. Gear -> Configure Inbox. Or click the + button at the end of the tabs and disable all but Primary. You can also try dragging emails from one t

You can opt out. Gear -> Configure Inbox. Or click the + button at the end of the tabs and disable all but Primary. You can also try dragging emails from one tab to the tab you think fits better and train it. I mean, most of this was explained in the modal they showed you when it went live. I personally like the Promotions tab because now all my LivingSocial/Groupon deals go there and with a quick scan I can decide if any are worth my time. If not, Select All -> Delete. Much nicer than when they hit my Inbox causing me to check to see if the new mail I got was something important or just a new deal I likely don't care about.