KDDI’s mobile brand ‘au’ is faster than Japan’s fastest roller coaster in cleverly placed billboard

“KDDI” is a Japanese telecommunication company and “au” is its mobile phone brand. To promote it’s very fast communication speed, Dentsu Tokyo used a strategically placed billboard near Japan’s fastest roller coaster – Dodonpa.

Credits – Copywriter: Yuto Ogawa. Art Directors: Osamu Takahashi, Hideyuki Tanaka. Designers: Yuki Nishimori, Takahito Sakuma.