- Sign My Rocket (signmyrocket.com)
You have a chance to send a greeting to orcs with your text written on an artillery shell. You will receive a photo a signed shell with your ordered text. Or you can even sign a M777 howitzer.
- Expanded memory (Wikipedia)
In DOS memory management, expanded memory is a system of bank switching that provided additional memory to DOS programs beyond the limit of conventional memory (640 KiB).