METHOD AND SYSTEM FOR PROVIDING USER CREATED CONTENTS TO BE USED FOR STUDY AND PORTABLE UNIT FOR STUDYING USER CREATED CONTENTS TO BE USED FOR STUDY

摘要

Provided are a method and system for providing user created contents to be used for a study in which user created contents to be used for a study can be provided and studying is performed based on a partial concealment study in which a question or an answer of a study question of the user created contents to be used for a study is concealed and then is exposed, and a portable unit for studying user created contents to be used for a study.