The document discusses a card sorting tool available at portal.in.th. It references a specific card sorting website, websort.net, but lacks detailed context or explanation. Overall, it appears to be a brief mention of resources related to user card sorting.

1. Card Sorting
Portal.in.th

2. Card Sorting
user
user
user

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11. card sort
http://www.websort.net/

12. By... Portal.in.th