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If someone asks you, 'Who is this guy?', you can create a thread for them to find out what he's done. And It's possible to learn more about the projects he is involved in. When you create that It is a marketing campaign for him. Forget!

Who is this guy?

Justin Sun. So this is a meme about him...
Do you want that I tell about the history behind him and this blockchain also?

Never mind...

So... that's reversal marketing. The marketing guys named that as Barbra Streisand effect. You try to avoid something and that receive more strength. ;D