Today you will sit down with your family or your friends and you will tell them what you are thankful for. It's a Thanksgiving tradition, and a good one — we should all be thankful for having roofs over our heads and food to eat (if we do) and for even being able to participate in a holiday called Thanksgiving in the first place.
Today you might also sit down, flick on your webcam and tell the users of YouTube those same things. Or maybe you won't (you probably won't), but plenty of people already have. When we tell those close to us what we are thankful for there is an intimate significance, but when those things are broadcast on YouTube they emphasize the banality of life.
Here are a bunch of things (God, family, friends, health, food) that YouTube users are thankful for.