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I wish I have too, but I believe it's not too late yet. There is at least 10-50x upside potential. Very few people are here at the moment, compared to Facebook or Twitter.

You are still kind of early! Trust me, this is in a very early stage. The best indicator for that is the beta sign on the top left corner of the website.

actually it's kinda risk to invest in SP atm because the price is pretty high