OKRs
OKRs are one of the most widely used frameworks in use at startups, but they are also one of the most widely misunderstood. This is a quick collection of resources to help you understand where OKRs came from, how to roll them out and the pitfalls to avoid.
Rick Klau's Google Ventures video
Rick Klau's Google Ventures video
Required watching - Rick Klau outlines how OKRs were introduced to Google by John Doerr. The video is from 2012 and a little dated - more below.
The follow up blog
The follow up blog
An excellent summary of how implementing OKRs in practice differs from what's outlined in the video above.