Nine lessons from three years of tracking my mood

Every four hours, an app called Moodnotes asks me how I’m doing.

The Synesthesia Fashion System

This past month of May was my trial run of a little invention I’m calling oh-so-grandiosely the Synesthesia Fashion System™.

Four Generations of Personal Computers

iPhone started a new generation of personal computers in 2007. These devices broke with the previous generation — devices like desktops…

The Three Kinds of Mobile Devices

Shoes and Carpet for Your Mind

Will Constant-Use Computers Be Addictive?

“Wait, you think people should be spending more time staring at their phones?” my friend asked me last week, half-laughing.

The Human Timeline

Imagine a timeline with “First Homo sapiens” on the left and “Now” on the right. Okay, you don’t have to imagine:

Weekend Painting Project

My basement is grandpa-tacular. The walls are wood-panelled except for the walls that are seafoam green. And since I’m renting the house…

Five Limits on the Ultimate UI

I’m trying to imagine the Ultimate UI and the computers that will make it possible.

Input and Output for the Ultimate UI

I spent a couple weeks with a HoloLens, recently. After a few days of shooting robots through my walls and exploring the solar system in my…