Why Wikipedia's highly successful A/B testing is conceptually all wrong

<a href="https://news.ycombinator.com/item?id=7090344" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=7090344</a>

Well, there is one upside of A&#x2F;B testing: it does not distinguish between users, so you can statically serve the same webpages to everyone, and you need not track anyone.