diff --git a/doc/dev/2025-07-25-welcome/index.md b/doc/dev/2025-07-25-welcome/index.md
index 46560b4..d452673 100644
--- a/doc/dev/2025-07-25-welcome/index.md
+++ b/doc/dev/2025-07-25-welcome/index.md
@@ -4,4 +4,70 @@ title: Welcome
 tags: [echokit]
 ---
 
-TBD
+# Introducing EchoKit: Build, Learn, and Play with AI
+
+Artificial intelligence is no longer science fiction—it’s part of everyday life. From classrooms to workplaces, AI tools like ChatGPT and Gemini are being used by millions. But here’s the challenge: most people only interact with these systems as **black boxes**.
+
+If we want to not just *use* AI, but to **understand, customize, and innovate with it**, we need tools that make AI tangible.
+
+That’s why we created EchoKit — an open-source voice AI toolkit that makes learning AI as hands-on as building with LEGO. And now, we’re preparing to launch it on [Indiegogo](https://www.indiegogo.com/projects/learn-and-build-voice-ai-agents-with-echokit/coming_soon/x/38710006).
+
+## What is EchoKit?
+
+EchoKit is a **open-source hardware and software toolkit** for building and understanding modern AI voice agents.
+
+* Out of the box, EchoKit is a functional **voice AI device**—a companion you can talk to immediately.
+* But its real value lies in what’s inside: a **modular hardware kit, open-source firmware, and an extensible AI server** that together let you learn and experiment with every layer of the system.
+
+With EchoKit, learners and educators can:
+
+* Explore modular hardware design, from microphones and speakers to ESP32-based processors.
+
+* Customize firmware written in Rust and re-flash the device to change how it behaves.
+
+* Run an AI server that connects to OpenAI, Gemini, or local open-source models for speech recognition, text generation, and voice synthesis.
+
+* Experiment with speech-to-text (ASR), large language models (LLMs), and text-to-speech (TTS) pipelines in a real system.
+
+* Build and integrate MCP tools (e.g., knowledge bases, search, or smart-home control) so that the AI agent can perform meaningful actions.
+
+* Learn how voice cloning, accents, and fine-tuned TTS models work, and try personalizing your own agent’s voice.
+
+* Set up local and private AI inference to understand how open-source models like Whisper and Llama can run on your own computer.
+
+* Follow structured guides that gradually explain AI concepts—from neural networks and embeddings to real-time systems—while encouraging experimentation.
+
+In other words, EchoKit is not just a gadget—it is a **practical curriculum in a box**, designed to bring AI education to life.
+
+## Who is it For?
+
+EchoKit is designed for a wide range of learners:
+
+* **Students** — Gain hands-on experience with AI that goes far beyond using apps. Build systems, break them apart, and learn how they work.
+* **Teachers & Schools** — Bring AI into the classroom with a platform that combines hardware, software, and clear documentation.
+* **Parents** — Provide your children with a meaningful project that blends fun, creativity, and real technical skills.
+* **Technologists & Hobbyists** — Experiment with AI voice agents as if they were Lego blocks. Modify, extend, and integrate EchoKit into your own projects.
+* **Entrepreneurs** — Prototype AI-powered products quickly, on top of a fully customizable and open-source foundation.
+
+## Why It Matters
+
+According to a 2025 Pew survey, over 80% of American students already use large language models (LLMs) for schoolwork. Yet few understand how these systems actually function.
+
+As Nvidia’s Jensen Huang put it:
+
+> “You won’t lose your job to AI—you’ll lose your job to somebody who uses AI.”
+
+We believe the future belongs to those who don’t just *use* AI, but who can **build and shape it**. EchoKit helps bridge that gap by making AI education **hands-on, practical, and open-source**.
+
+## Join Us on Indiegogo
+
+EchoKit is more than a device—it’s a platform for learning, creating, and teaching AI in a way that is open, transparent, and fun.
+
+We’re now in our prelaunch phase on Indiegogo. By joining, you’ll:
+
+* Be among the first to access EchoKit when it launches.
+
+* Receive exclusive 48% off
+
+👉 Join [our Indiegogo prelaunch page](https://www.indiegogo.com/projects/learn-and-build-voice-ai-agents-with-echokit/coming_soon/x/38710006) and be part of the journey to bring hands-on AI education to everyone.
+