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認知ツール、空間的思考、そして Depli の構築についての考察。

April 12, 2026 · 5 min read

AI that works with you, not instead of you

Most AI tools automate your work away. Depli's Sona takes a different approach: it suggests, questions, and assists — but you stay in control.

AISonaPhilosophy
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April 10, 2026 · 6 min read

Beyond Notion: What a cognitive workspace actually looks like

Notion is powerful but overwhelming. Discover what happens when you build a workspace around how your brain actually works — spatial, intentional, AI-assisted.

ProductivityComparisonTools
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April 8, 2026 · 5 min read

What is a cognitive workspace?

A cognitive workspace adapts to how you think — not the other way around. Spatial layout, intention-first AI, and local-first design explained.

CognitionDesignVision
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April 5, 2026 · 7 min read

Why your data should live on your machine

Cloud-first tools hold your data hostage. Local-first software gives you ownership, speed, and privacy — without sacrificing collaboration.

PrivacyArchitecturePhilosophy
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April 12, 2026 · 3 min read

Your tools should motivate you, not drain you

Most productivity tools feel like chores. Gamification, streaks, guilt-driven reminders. Here's why Depli is designed to feel different.

MotivationDesignPhilosophy
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April 10, 2026 · 4 min read

Why real-time collaboration changes everything

Working alone in shared tools isn't collaboration. Here's what real spatial collaboration looks like.

CollaborationProduct
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April 8, 2026 · 3 min read

Productivity isn't about more tools

We've been sold the idea that more apps = more productive. The opposite is true. Average knowledge workers context-switch 400 times a day.

ProductivityPhilosophy
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April 5, 2026 · 2 min read

なぜ Depli を作っているのか

すべての生産性アプリは生活を整理すると約束します。そのほとんどは不安をきれいなリストに整理するだけです。私は違うものが欲しかった。

VisionPhilosophy
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March 28, 2026 · 5 min read

脳はリストで考えない

私たちはずっと間違った方法で情報を整理してきました。空間認知こそ脳が実際に機能する方法です——ツールもそれに追いつくべき時です。

CognitionDesignResearch
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March 15, 2026 · 5 min read

行動する前に尋ねる AI

生産性アプリのほとんどの AI 機能は攻撃的すぎます。Sona は異なるアプローチを取ります。

AIPhilosophyProduct
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March 2, 2026 · 5 min read

データはアプリよりも長生きすべき

頼りにしているサービスが消えたとき、あなたの仕事はどうなりますか?ローカルファーストが答えです。

PrivacyArchitecturePhilosophy
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