Medium should definitely look at Steem for inspiration, not Spotify. At least that’s what Fred Wilson (Co-founder of Union Square Ventures and investor in Twitter, Tumblr, Foursquare, Zynga, Kickstarter, etc.) suggests in this post. Also read how Medium can morally monetize in one month using STEEM from here. I hope you guys too agree with me on the views put forward in those two posts. Fingers crossed.