Looks like it's archived: https://web.archive.org/web/20170710232311/http://www.hack-pr.com/library/how-we-hacked-reddit-to-generate-5-million-media-impressions

Looks like it's archived: https://web.archive.org/web/20170710232311/http://www.hack-pr.com/library/how-we-hacked-reddit-to-generate-5-million-media-impressions-in-3-days https://web.archive.org/web/20170710232311/http://www.hack-p...