Gmail Blue is just what it sounds like. It's Gmail, and it's blue.
"Gmail launched nine years ago on April 1st, 2004," says project manager Jonathan Zames. "Since then you've been able to use hundreds of new features that push the boundaries of what email can do and make it easier to get things done."
"Starting today, you'll get to experience the next big step for Gmail, Gmail Blue," he adds.
You can see just how revolutionary this is by watching the video:
This is the latest example of "moonshot thinking" at Google, according to lead engineer Carl Branch.
It's taken six years to develop the technology behind Gmail Blue, according to lead designer Dana Popliger.
"In trying to bring email into the 21st century, we are faced with a challenge: how do we completely redesign and recreate something while keeping it exactly the same?" explains project manager Richard Pargo.
Welcome to the future of email.
Introducing Gmail Blue. Beautiful. Fast. Powerful. goo.gl/uD2ME
— Gmail (@gmail) April 1, 2013