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If not they have to hire more people :)

They will have to find ways to automate it. They should exploit Facebook login or something as they will do their own validations on accounts. Most people have some other social account, but they may not have a mobile phone that works with what they were using here before.

Well, do you think it is a good idea to use Facebook to login?

Well they used Reddit and Github to validate people originally. I just think it will not be practical to keep on doing it manually. They can exploit what others have done already. There may be ways to use things like keybase, but that's too technical for many.

There are 2 billion Facebook accounts. I wonder how many of those are fake.

@sneak said they are working on an invite, referral and sponsorship system.

https://steemit.com/steemit/@fubar-bdhr/account-creation-idea-sponsorships

That sounds good. I'd sponsor friends to join.