Email sucked for a decade because spam got out of control. I ran a hand-built email server in my home for years, and know this problem decently well. However, w

Email sucked for a decade because spam got out of control. I ran a hand-built email server in my home for years, and know this problem decently well. However, with the ability to train their filters based on SO MANY people, Google fixed it. (Other systems vastly improved as well.) With the signal-to-noise ratio being largely a solved problem these days, it makes email a viable "platform" again.