'Like' Button Follows Web Users

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[SuiJackDo]

FacebookやTwitterのソーシャルウィジェットがボタンのクリックに関係なく訪問情報を収集。元GoogleのエンジニアがWSJの依頼で調査。邦訳あるが記事短い。

[amberjack115]

"notify Facebook and Twitter that a person visited those sites even when users don't click on the buttons" そりゃそうだろな。あとGoogleの広告も。