Greetings

To whom it may concern:

The Aperture Science Enrichment Center welcomes you to apply and become a test participant. In this test, you will be using the Aperture Science Handheld Portal Device, which will help you by providing the sophisticated technology to create portals. Once you have completed this test you will be rewarded with our special cake. To apply for this test, you must visit www.aperturescience.com. Once you are there, type LOGIN and select a username. The password must be "portal". You may then type "help" for further instructions.

Thank you for your co-operation,
GLaDOS
The Aperture Science Laboratories Inc. Genetic Lifeform and Disk Operating System