First step: Check if Yves Pflieger is known for anything related to numerology or torrents. A quick Google search might help. Hmm, Yves Pflieger is a French author (born 1942) known for his work on numerology and astrology. He wrote a book called "Numerologie et Psychologie" (Numerology and Psychology), which is pretty popular in French-speaking countries. He also wrote on the history of numerology and its applications.