The name Tago

One discovery opens the next understanding.

Looking up a word never ended with its definition. The example showed how it lived, and an unfamiliar expression inside that sentence became a new question.

From entry to example, from example to another entry. Knowledge stayed longer and grew wider when I followed what I had discovered instead of a fixed table of contents.

Tago takes its name from that movement of learning. Like the Korean expression ‘타고 가다’—to ride something onward—it means crossing from what you know now into the next understanding.

That is why Tago products do not try to place everything on one screen. They are designed to help learners discover what is worth trying next.

Connection is not a decorative metaphor. It is the basic unit with which Tago designs learning.

water

물이 흐른다

흐르다to flow

시간이 흐른다

시간time

시간을 나누다

나누다to share

A word opens a sentence, and the sentence calls the next piece of knowledge.

Brand philosophy

Everything leads to something else.

Knowledge leads to knowledge, people lead to people, experience leads to experience. We grow by following those connections.

GEKS

Four questions for judging a good product.

GEKS is not a set of words for the wall. They are questions Tago asks whenever we make or improve a product.

G · Growth

Growth

BeforeAfter
DAY 01
DAY 07
DAY 14

Are you better than before?

Write makes change visible through a growth path and before-and-after feedback.

E · Experience

Experience

TRY · CHOOSE · RETRY

Do you understand by doing?

Learners write, choose, and try again instead of only reading an explanation.

K · Knowledge

Knowledge

01
02흐르다
03시간
04나누다
ONE DISCOVERYTHE NEXT

Does it lead to new knowledge?

Words inside Voca’s examples keep opening new vocabulary and contexts.

S · Share

Share

SLearning record
Saved↗ Share

Can you share what changed?

Learning results become records to share and starting points for someone else.

Growth

Learning is more than accumulating knowledge.

Small efforts add up every day, and at the end you become someone different. Tago’s Tabi represents that change.

Growth

Founder

Designing the next learning experience between education and technology.

Why we exist

We create products that help people grow through experience, knowledge, and sharing.

Chanwoo Song studied Korean language education at bachelor’s and master’s level, and met learners as a certified Korean language teacher.

He later researched language AI and led the planning and launch of diverse AI products. Tago began where educational standards meet the experience of building products all the way through.

Study
BA · MA in Korean Education
Qualification
Korean Language Teacher
Research
Language AI
Product
AI Product Lead
  • How we use AI

    AI does not answer in place of the learner. It suggests the next connection and possibility so the learner can think further.

  • How we design learning

    Instead of showing more explanations, we let learners write, choose, try again, and see what changed.