Wikileaks, though technically not a wiki, provides an easy means to disseminate information that some find it desirable to share against the wishes of those who find it desirable to keep secret. Aside from the morality of the leaking itself, such a service provides a look into the activities of...
Moving up a boost level will smash some of the obstacles on-screen.
Always try and grab power-ups when you can, for they're pretty darn useful.
Upgrading your armour will make your runs last a lot longer, but it's not cheap.