http://www.asahi.com/international/update/0514/TKY201105140537.html

http://www.gizmodo.jp/2011/05/letsnote_b10.html

http://gigazine.net/news/20110513_send_to_toys/

http://www.ringolab.com/note/daiya/2011/05/20-6.html

http://www.gizmodo.jp/2011/05/easily_distracted.html

http://gigazine.net/news/0110514_musical_instrument_keep_people_young/

http://news.goo.ne.jp/article/asahi/nation/K2011051503360.html http://www.tokyo-np.co.jp/s/article/2011051501000149.html

http://www.ehime-np.co.jp/news/kyodo/20110516/ky2011051501000487.html