Jake Bullock

We would be like, well, wait. We added one lavender drop and it got better. But what if the right answer is actually half of a lavender drop? Let's try that. And so we'd run it all back and see if it was better or worse, it's almost like an eye exam.

Vivid behind-the-scenes look at obsessive product development with the memorable 'eye exam' analogy. Shows the level of detail that separates great products from good ones.