Reshared post from Akihiro SHIMIZU:

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Original Post from Akihiro SHIMIZU:

Facebookを安心して使うためのプライバシー設定をしよう

via Public RSS-Feed of Kazuo Ito. Created with the PIXELMECHANICS 'Google+ to RSS-Webtool' at http://gplusrss.com https://plus.google.com/108013264503511141086/posts/gw1wQLxjn91