Success of Arcades in Japan

Arcades have continued to thrive in Japan and still exist in some capacity in the US. 1. What social, cultural, infrastructural and economic contribute to the on going success of Arcades in Japan. 2. Where do arcades exist today in the US? What purpose do they serve and how do the differences between arcades in the US and Japan highlight cultural and social differences between the two countries? Explain in detail with examples.