A (Attention) I (Interest) S (Search) A (Action) S (Share) A (Action) S (Satisfaction) C (Conviction) S (Sympathize) I (identify) P (Participate) S (Share & Spread) Before DIGITAL(since 1920s) After DIGITAL(since 2005) 共有 満足 参加 共有と拡散 共感 検索 確信 最近の購買行動モデルもCtoCの情報流通を反映 確認 A (Attention) I (Interest) D (Desire) 認知 興味 関心 欲求 記憶 行動