Who are the Oceanic 6??

Quoted directly from Mega LOST Site http://spoilerslost.blogspot.com/

"As Kristin recently revealed in her last post, she asks who are the Oceanic 6? Well as I stated I've known about the Oceanic 6 for a while but until another site revealed it I was not at liberty to mention anything about it. This is the 6 that you've been seeing in the promo's and trailers.Well the Oceanic 6 are the 6 people who get off the Island initially and are semi-famous. The question that you all want answered is actually quite easy to reveal based on the spoilers we've already collected over the last few months. I hope that soon I will be able to reveal to you some more info......

The 6 are Sun, Jin, Kate, Jack, Hurley and Sayid."