These millennial entrepreneurs think email is too slow for the startup world

There are two types of people in this world. Those who live at inbox zero, who frantically read, remove, and reply to emails the very instant they arrive.  And, then there's the rest of us: Those who live with thousands of unopened emails without a care in the world. I am one such individual—a millennial who checks my personal email once or twice a week, and my work email as few times as I can get away with.  To me, sending an email is the 2018 equivalent to sending snail mail. It's insuffer...