As in "dictatorship of the proletariat" as an interim stage of socialism after the revolution and before communism develops fully in which the state withers away.
Or as in "the proles" (the ordinary non-party members) in "Nineteen Eighty-Four" by George Orwell.
It is undoubtedley a great site - wish I'd heard about it ages ago! Not many people you speak to have ever heard of it though? It could be an even better site if they implement some of the great ideas in this category. I've noticed a few things recently (like the two new categories and the profanity filter seems much better) but there's alot more to do - come on AB Editor!