You can do so much more with Gmail than unsend emails

7:59 AM ET Fri, 5 April 2019

Google's Gmail just celebrated its 15th birthday. And with a user base that is almost 20 percent of the world's population, there was a lot to celebrate. Those 1.5 billion people have a lot of untapped email productivity potential. CNBC's Dain Evans shares 10 tips and tricks that will make you a Gmail genius.