Urban data
City Pulse
A living portrait of a city, built from open transit, weather, and footfall signals.
Side projects / open experiments
Fun things
with deta.
Deta is a playground for curious, data-driven side projects—small ideas, strange patterns, and useful things hiding in plain sight.
↓View experiment ↗
Media study
Signal / Noise
A small experiment that maps how a story travels—and where the meaning changes.
Civic patterns
Night Shift
An after-dark atlas of movement, light, and the people keeping cities awake.
Personal data
Tiny Index
A joyful, deliberately imperfect index of everyday things worth noticing.
About the playground
データの遊び場について
データの遊び場について
Deta is what happens when data stops wearing a tie.
It began as Aggregate Data, then got shorter, stranger, and more fun. This is where datasets become stories, sketches become tools, and curiosity gets shipped before it gets overthought.