What is the difference between a free subscriber and a HQ Vault member?

Free subscribers and HQ Vault members both have access to all free content. The differences are as follows:

Free subscribers additionally receive:

OFA-02 (Southwest Airlines), OFA-03 (Knight Capital Group), The Operations Leader's AI Evaluation Framework, and Part B of Issue 07 and all subsequent issues. Free subscription is available at no cost through the Subscribe button at theheadroomhq.com.

HQ Vault members additionally receive:

Verdicts 02 and beyond (new Verdicts published monthly), Visual Frameworks 02 and beyond (published alongside the corresponding Verdict monthly), the complete Operational Failure Archive with new entries every other month, Dimension View, and the full HQ Universe Reference Card library, updated with every issue. 

HQ Vault founding membership is $29 per month or $290 per year for first 50 members only.

Related articles: 

• What is the HQ Vault?
• How do I join the HQ Vault?
• What content is available for free?