Comment by martingoodson

In 2014 I wrote an article on why Optimizely's approach to AB testing was statistically flawed [1]. I was working at a competitor so I needed to be a bit circumspect.

It was discussed here: https://news.ycombinator.com/item?id=7287665

I always wondered how they got away with it for so long.

[1] http://www.datascienceassn.org/sites/default/files/Most%20Wi...