LinkedIn and the dangers of A-B Testing

LinkedIn brags about their use of A-B testing.1

Here is a fucking clue, guys. When you vary where a mail header (from:2, to:, subject: line, etc.), you bypass peoples’ mail filters and of course e-mail open rates will test higher.

Fuck you, LinkedIn

So many companies don’t know the limits of analytics. To those idiot business analysts that are data-driven instead of data-informed: please DIAF. ktnxbai!


  1. Never mind the fact that LinkedIn took years to go viral and only after Reid Hoffman became on Tagged’s Board of Directors. 
  2. invitations@linkedin.com, member@linkedin.com, invitations-noreply@linkedin.com, communication@linkedin.com, messages-noreply@linkedin.com, updates@linkedin.com, communication@linkedin.com, connections@linkedin.com, …