- Hatena ID
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santoshkumar
- Self introduction
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https://kdp.amazon.com/community/profile.jspa?userID=1610801
https://community.sony.com/t5/user/viewprofilepage/user-id/408407
https://www.goodreads.com/user/show/67827843-how2tricks
https://community.linksys.com/t5/user/viewprofilepage/user-id/840715
http://www.socialmediatoday.com/users/how2tricks
