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...
Look out for tacks on the road, for they'll slow you down and make you crash.
Use your double-jump to get extra air over the big gaps.
Don't forget to spend your coins to upgrade your vehicle when you get the chance.