Since the launch of Gmail Tabs on May 29, 2013 many email marketers have been worried about how “Tabs” will impact engagement, conversions and revenue from Gmail Subscribers. A tactical response by many brands has been to send to Gmail subscribers an “Instructions” email outlining how to move their emails from the recipients Promotions tab to the Primary tab. While this is not likely to significantly “move-the-needle” – for brands considering this approach, here are several examples…