PM Starter Pack - Practical guide on how to get started in product management
The S-1 Club - Be in the know before the IPO.
Product School - The global leader in product management training
The Twenty Minute VC (podcast) - Learn about venture capital, startup funding and the pitch
know/how Product Managers - A weekly newsletter with 5 practical tweet-length PM tips
Holloway Guide to Recruiting Engineers - Learn how to find, hire, & retain technical talent.