Check out:
www.aperturescience.com
It's an amusing viral website for Portal, 'LOGIN' to be bombarded with amusing questions from the Aperture Science corporation.
If you get stuck type 'HELP'.
Won't spoil it for you – there's not a great deal to spoil anyway, it's certainly no ilovebees – but it's got a clue at the end hinting to where 'PORTAL' fits into the Half-Life universe.

