At the Google Dublin office there was a conference where the attendees learned about randomisation, the best method removing selection bias between two groups of patients, via a paper ball fight. The video below from Instagram shows these attendees throwing balls of paper at each other.
Here is what the person wrote "Some would call this a paper fight. At a tech conference, it’s called data randomisation. #gconvert18."
This post is part of our daily Search Photo of the Day column, where we find fun and interesting photos related to the search industry and share them with our readers.