Articles with the most categories
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- Open Furniture Project (2 categories)
- User-Centered Design (2 categories)
- Sandbox (2 categories)
- Concepts to Add (2 categories)
- Meatspace (2 categories)
- Open Source Hardware (2 categories)
- Intuitive Use (2 categories)
- Shareware (2 categories)
- Help Desk (2 categories)
- Open Source Software (2 categories)
- Copyleft (2 categories)
- Ivan Illich (2 categories)
- Free Software (2 categories)
- Netizen (2 categories)
- Open Source Tool Design (2 categories)
