Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
The Product Management guide - A book on how to create and ship products that people love
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
Product School - The global leader in product management training
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Product Management Exercises - A repository of product manager job interview exercises