There are three types of cloud design patterns. Availability patterns have health endpoint monitoring and throttling. Data management patterns have cache-aside and static content hosting. Security patterns have federated identity.

A good strategy is both surprising and reasonable. For example, in 1997, Steve Jobs' turnaround strategy upon returning to Apple involved drastically reducing the product line and focusing on a few profitable products. Trying to do everything and believing everything is important is equivalent to believing that nothing is important. Good leaders need to know not only what to do but also what not to do.

Key takeaways from the Lean Analytics framework for startups and enterprises.

AARRR is a startup metrics developed by Dave McClure: Acquisition - how do users find you? Activation - do users have a great first experience? Retention - do users come back? Referral - do users tell others? Revenue - how do you make money?

In 1997, Eberhard asked Amazon’s investment for an eBook prototype. Amazon learned from iTunes and iPad and created Kindle. The reason why amazon succeeds lies in huge negotiating leverage, user acquisition channel and great user experiences.

A growth team is a team with the responsibility to measure and improve the flow of users. There are three mandatory skills of a growth leader: building growth models, developing experimentation models and creating customer acquisition channels.

Guiding principles for developing high-quality Golang libraries focusing on usability, readability, flexibility, and testability.

Stress and rest equal growth; a reasonable allocation of stress and rest can lead to efficient and sustained growth. The rest of knowledge workers is used to restore willpower and attention. Short-term rest methods: timely outdoor walks; returning to nature; gathering with friends; taking short naps. Long-term rest: learning to meditate; ensuring sufficient sleep. Eliminate distractions that consume attention.