I think there already is one. Its called Smartr inbox. https://chrome.google.com/webstore/detail/gakklmehjhhdfjjgnmpkjoemjmeomnli https://chrome.google.com/web

I think there already is one. Its called Smartr inbox. https://chrome.google.com/webstore/detail/gakklmehjhhdfjjgnmpkjoemjmeomnli https://chrome.google.com/webstore/detail/gakklmehjhhdfjjgnm...