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...
There's no distinct crest marker, so you just need to aim at the top of the helm.
Don't waste boosts just because you've got them. They don't disappear.
Upgrade your armour whenever you can, for things get tough pretty fast.