In order for new coins to gain traction and recognition, they offer certain percentage of their coins to the public for free.
This is called Airdrop.
Once the coin hit exchanges, you can selly, however f you are particularly interested in the coin and believe in the project, you can hold the coin for months and sell ata . better price
Airdop is one way to spread crypto power as much as possible. Extensive distribution is very important and there are various methods to deliver it.
Airdrop is one of the best among them because everyone who wants to receive a coin will get it