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It is checking the referrer value and only displaying it to people from reddit, HN, etc. -- because when traffic spikes due to those communities, it can be expe
by empthought 9y ago
It is checking the referrer value and only displaying it to people from reddit, HN, etc. -- because when traffic spikes due to those communities, it can be expensive.
Given the choice between this and advertisements, I much prefer this.