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I think decentralised social media potentially combined with attention token system (eg Steem or BAT) can disrupt a company like Facebook. But not sure if I am answering your question

A good start :) So let's take Steemit as a direct or the competitor No. 1. I'm keen on transferring people of my friend's list that really would enrich this community here. All in all there are obstacles: 1. Deep-rooted behaviors of scrolling down the fb timeline. 2. Zuckerberg's Zombie Phenomenon (good posts here on that :D) 3. On the other side maybe Steemit's long password, but this is not a strong argument, so maybe you have some more to add?