Things you can store in 1.8 GBs

600 five minute MP3 files
4 copies of Windows 98 ISOs
2 copies of each episode of Yuru Yuri S1 highly compressed
6000 different pornographic images
6000 copies of the same pornographic image
300 copies of the /prog/ archives
2 copies of a text file listing all the IPv4 addresses

-OR-
1 installation of Haskell with the batteries included.

2 copies of a text file listing all the IPv4 addresses

this is wrong, storing them in binary (ie, each byte corresponds to one octet of one address, and no newlines) would take 2^32 bytes or a bit over 4GB