Now that the dust is starting to settle from Gmail's new tabbed-style inbox, the savviest of brands are being proactive in getting users to move their emails from their "Promotions" tab (where most marketing messages end up) to their "Primary" tab (essentially where, for example, an email from a friend would appear). They are also learning how to stand out in a crowded Promotions tab.
Here are practical and, more importantly, effective ways for merchants to navigate the new, tabbed-style Gmail.