Takumi Yoshida

The problem was never how many things you own. The problem is that owning means something it never used to. Everything you buy is the beginning of a relationship you'll be maintaining until one of you dies or gets discontinued.

Tools Are Supposed to Get Out of the Way

As the marketing adage goes:

People don’t want a drill. They want a hole in the wall.

The drill is just the tool. The outcome is the job. Nobody wakes up and says, “I’d like to buy a new drill today!” Well, except drill enthusiasts, I suppose. Likewise, nobody wakes up and says, “I’d like to buy a new app... See more

You cannot easily measure the resentment. Or the rage clicks when they smash a button to dismiss another “did you know” pop-up. You cannot easily chart the moment a user thinks, “I used to like this product, and now it feels needy.” You cannot easily quantify the slow erosion of trust.

Metrics don’t measure reality. They measure what your product currently makes easy.

There’s a well-known warning about this, often summarized as: when a measure becomes a target, it stops being a good measure . It’s commonly referred to as Goodhart’s Law, and the broader point shows up in multiple fields, because it keeps happening to humans in... See more

One of the most dangerous things about analytics is that they feel objective. A chart is a chart. A number is a number. They have the aesthetic of truth.

Upton Sinclair coined the oft-cited maxim “It is difficult to get a man to understand something, when his salary depends on his not understanding it.”

命を奪う暴力は国家が止めるが、人生を壊す搾取は個人に押し戻される。