Mailbird, the desktop email client designed for Windows 8, Windows 7 and XP machines, has gained a new feature today designed to speed up the daily trawl through your inbox. With apps like Spritz hitting the headlines, helped along by coming pre-loaded on Samsung’s range-topping Galaxy S5 smartphone, it was inevitable that a desktop client would also try and deliver a similar experience, which is exactly what Mailbird’s new speed reading option does.