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Warning: Trying to access array offset on value of type bool in /home/kkwave/gadgettoku.com/public_html/wp-content/themes/simplicity2/header-twitter-card.php on line 45 「パソコン使えないですスマホなら」という若者の多さに戸惑う人に対して「パソコン使える世代ってほとんど30代後半～40代だけ」