Whenever you change something that users frequently interact with in your product, there will be unrest and opposition among users; this is known as

A manager’s most important responsibility is to elicit top performance from his subordinates. Unfortunately, one management style does not fit all. A fundamental variable to find the best management style is task-relevant maturity (TRM) of the subordinates.

Advertisers express their needs for ads to data-management platform and agencies. Then ads are delivered to ad networks and ad exchanges. Eventually, ads are presented to customers by publishers. The whole cycle is the so-called ads ecosystem.

Thirty years have passed, and online payments still lack a seamless experience. People believe payments should be as convenient as browsing, without the need to create accounts, passwords, or fill in credit card numbers, all while being bombarded with endless spam. Content creators are forced to rely on ads, benefiting only large companies. The internet urgently needs a foundational framework that incentivizes creativity and protects privacy.

People hate new changes in a product they are already familiar with. To avoid change aversion, you can let users understand in advance and afterward, allow them to switch, ask them to give feedback, and finally remember to follow-through.

Here are some immature observations. I have never worked in China, so I filled in the section for Chinese people based on what I heard and saw in school.

Why Should We Care About Architecture?

Mobile video playback services using HTTP Live Streaming face two main challenges: limited memory and storage on mobile devices; and the need to dynamically adjust video quality during transmission due to unstable network connections and varying bandwidth. We can address these issues at both the server and client levels.

There are two reasons why Facebook handles photo storage: the petabyte-scale volume of blob data; traditional NFS-based designs face metadata bottlenecks, where massive metadata severely limits hit rates. The solution is to aggregate hundreds of thousands of images into a single Haystack storage file, thereby eliminating the metadata burden.

To be trusted, you must first be trustworthy; you need to be competent. Not only must you be competent, but you also need to establish a connection with the other party, which requires you to appear approachable. Psychologists have found that trust equals competence plus approachability, but being overly competent can create a sense of distance and threat. You also need to expose minor weaknesses to bridge the gap with others.