This book is all about the idea and practical application of a method of connected goal setting called "Objectives and Key Results". It reads more like an advertisement than a "how to". It sells you on OKRs as a concept over and over, then brings in popular names to sell you on both it and them (by way of their success they're crediting to OKRs).
<aside> ✅ Your main focus should be 3-5 Objectives, each broken down into 3-5 SMART Key Results. These Objectives and Key Results should be reviewed and renewed regularly.
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I'm going to use "you" in this section to refer to either an individual, or a group within a company.
That's about it. That's about 8% of the book by volume.
OKRs force you to decide what is important, and realize what's not.
OKRs in an organization ensure a common focus. This is also known as alignment. Across an organization, aligning higher level Key Results with lower level Objectives ensure that the ground troops are working toward what the execs believe to be important.
Making your OKRs SMART and public is a show of commitment. Continually reviewing progress against them (see the next section) renews this commitment.