https://techtarget.itmedia.co.jp/tt/article/2609/26/2000001748/ ITmedia ja OpEd, Opinion 2026-09-26T08:00:00+09:00 「Excel至上主義」と“謎マクロ”の限界　属人化リスクを断つ業務移行の勘所 Business, Companies, Technology, Computing, Internet, case study https://techtarget.itmedia.co.jp/tt/article/2609/26/2000001752/ ITmedia ja OpEd, Opinion 2026-09-26T05:00:00+09:00 OpenAIがコスト半減のGPT-6新モデル投入　Claude猛追とOSS包囲網で激化する価格戦 Business, Companies, Technology, Computing, Internet, case study https://techtarget.itmedia.co.jp/tt/article/2609/26/2000001642/ ITmedia ja OpEd, Opinion 2026-09-26T05:00:00+09:00 なぜ情シスは評価されにくい？　読者調査で見えた「成果が見えない仕事」第1位は Business, Companies, Technology, Computing, Internet, case study