It wasn't ever exposed in the first page of the Guardian, or maybe in the first hours, but last 2 days it wasn't there. Still, it got few times more shares than

It wasn't ever exposed in the first page of the Guardian, or maybe in the first hours, but last 2 days it wasn't there. Still, it got few times more shares than any other article on Guardian about Swartz, even though other ones were exposed in the first page for a much longer period. Is it because it is getting re-shared over Facebook?