Pages with the most categories

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1. GE's Imagination Markets ‎(20 categories)
2. Idea Management platform (IDeM) ‎(19 categories)
3. Experiment - Plott & Sunder 1998 ‎(18 categories)
4. HP's Information Aggregation Mechanism ‎(18 categories)
5. Google's Prediction Markets ‎(18 categories)
6. Iowa Electronic Markets (IEM) ‎(18 categories)
7. Hubdub ‎(17 categories)
8. Security Trading of Concepts (STOC) ‎(16 categories)
9. Influenza Activity markets ‎(16 categories)
10. Intrade ‎(16 categories)
11. Mehmet Yanki Yonel ‎(5 categories)

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