He points out that 3D was not the only fad to sweep Hollywood in the 1950s and 60s. Olfactory cinema was also popular in Hollywood for a time. The idea was that “ whatever appears in the movie, its smell ought to reach the viewers. ” They even distributed scratch-and-sniff cards to audiences!
他指出，在 1950 ~ 60 年代，除了 3D，好萊塢甚至還曾流行過「嗅覺電影院」，以「電影上出現什麼景象，就搭配什麼氣味」為號召，甚至還發給觀眾每人一張「刮刮樂」來「現刮現聞」。