With about half of all emails being opened on mobile devices, it’s never been more important for email marketers to adopt a “mobile-first” approach when creating their emails. Whether you use responsive email design or other best practices aimed at optimizing the email experience on a mobile device, the point is that it’s no longer OK for email marketers to just ignore mobile optimization considering the ongoing growth of the mobile email audience. This Inspiration Gallery category features standout examples of mobile-friendly emails. It’s a bit bare now but hopefully not for long…