呂守箴(OpenBlue) says to 網路攻防戰~資安閒聊群組 Google地圖愚人節小遊戲:一起來找找威利在哪裡? https://www.techbang.com/posts/57661-google-maps-april-fools-day-games-find-out-where-willie-is?from=home_news