Some ICO owners see Airdrop to be the most affordable way of introducing their coin in the market. By simply creating referrals, ICO owners can give get website traffic, and can get the contact information of the bounty hunters. For a small fraction of their coin, they got your info.
They can spam you or sell your information for a huge amount of money.
Hello everybody

I want to ask something, why every day even every time a lot of airdrop programs that appear? I do not know where they came from and how they came, suddenly appeared. thanks