Yes, you can use a referer controller.

Check this link out: http://www.jongales.com/blog/2014/02/13/how-to-get-around-th...

Yes, if you're referred from Google it lets you read the whole thing. So just Google the title of the article and click on the first link.

You can, via Google, but I wouldn't bother — it's an egregiously stupid and shallow piece of link-bait.

No, it's behind a paywall.