I think the success of those companies is due in no small part to the fact that they don't force account creation for passive use. If wikipedia presented me wit

I think the success of those companies is due in no small part to the fact that they don't force account creation for passive use. If wikipedia presented me with some bullshit intro to an article with a promise to be allowed to read the whole thing with an account I'd either go to the competition, or sign up with bogus account info, and then copy/share the article with whoever I can to save them the hassle of making an account.