At the heart of it, being in a state of snark can be one of the most useful tools at one's disposal and hence (yes, I used "hence"), a powerful way to get what you want. With snark, you can catch people completely off-guard, and royally piss them off.
Included here is the Snark Hall of Fame, the Best Snarky Responses to Everyday Dumbassness, and much more. The snark here covers:
"Why a handbook, a primer, a guidebook, a whatever? Why not? What are you, the New York Times Book Review? Because...that's why. I know we've got All Franken, Jim Norton, Denis Leary, and Lewis Black--all leading champions of nsark--but those guys down't look at the origins, at the history, of this fine and playful way of life. Within these pages are examples of snark that stretch back generations, that run the gamut from hilarity to satire."