You know one when you see one, better yet when you read a comment from one. They're lurking on websites everywhere across the globe -- faceless, nameless, without a trace of contact info -- to snap on the first person saying something sensible to throw off the whole flow of the comments section on your favorite site every time a new story pops up in their RSS Feed and a Google Alert comes in. Who are we talking about? Internet trolls. And this is a day in the life of one.