The importance of eating your own dog food, being obsessed with your product quality, and how Reid Hoffman got convinced that Jeff Weiner was the right one for the CEO position at LinkedIn (I have seen this in many successful startups and big companies for CEOs and product managers):
"Jeff went above and beyond to immerse himself in Linkedin. For example, just a few months after Jeff joined LinkedIn, several engineers were sitting around at midnight in between bug fixes for what ultimately turned into a very late night product launch that extended into the early morning. One of the engineers decided to pull a graph of their new CEO’s login activity on LinkedIn.com. People were shocked: the only time period during the launch when Jeff was not consistently logged into the site was between 3:30 – 4:00 AM. It turned out he was obsessed with the product quality — just like a true founder. To this day, Jeff is renowned for being one of LinkedIn’s most active users and is known for his ability to catch bugs before our developers."
Read more here.