There is public, free and unlimited access to the Internet via Wi-Fi at the Chopin Airport.
It can be used by anyone stays in the Chopin Airport. Warsaw Chopin Airport is one of the first european airports offers free and unlimited access to Wi-Fi.
For connection you have to select the network called "CHOPIN-AIRPORT".
You don't need to log in.
After you accept the terms and enter your e-mail, you will have unlimited "surf" the Internet.