"Bidroop is an international online platform, where everybody can build a crowd and profit from it. A crowd is built simply by inviting friends. These friends invite some friends of their own and so this quickly builds up and results in a pretty massive collections of friends and "friends of friends".
I was very sceptical first but then I researched a bit and this seems to be legit. Let's see if it works.
Here are some codes for the interested: