I went home and searched for "I Ging" (the German romanization) on Google, and found more than 9 million related pages. If you include English, then there are over 20 million pages--I was stunned by its popularity!
回到家，我上網用 Google 搜索，鍵入「易經」（I Ging），光僅德文就出現九百多萬個相關網頁，加上英文，總數竟超過二千萬筆，熱門的程度令人咋舌！