Gmail changes the game for email (again!)

Some of you will have spotted a trial of a grid-style (almost Pinterest-like) visual inbox for the Promotions tab in Gmail. The Promotions tab (where all marketing emails now generally end up) now displays thumbnails allowing users to see elements of your marketing emails. As a trial, Google needs to determine its success prior to a full roll-out and this success looks like it will be based around ad revenues as the first image is actually an ad, not an email (as is the existing differently coloured first listing in the current Promotions tab format). The appearance of the ad in the grid format is more subtle than the current listing format and will be contextual based on the emails…