1. The blue orb found on Halo, Halo 2 and Halo 3.
2. Known as "Active Camo" on Halo 3.
3. The best way for a newb to get the first kill in a game.
4. The only way to kill a General.
5. The best way to hide.
<conversation on xbox live during Halo 3 match>
Chad: "Yo bro, go get that invis."
Jason: "Yo. Chad! Chad! Where is it bro?"
Chad: "Bro...that's why you're a newb."