People will pray to the shrine in the hope "divine favor". can be expected divine favor depends on the shrine. For example, Kyoto Kitano Shrine is dedicated to god of learning. Every year, a lot of students will visit there in exam season. While there are "God of marriage", "God makes farewell the men and women" also exists.
Of course, "God to prevent the system trouble" also exists. Located in Kyoto, Arashiyama "Denden-guu (Nippon Telegraph and Telephone Palace)" has been faith from telecommunications officials and system engineers.
Denden-guu is located in the precincts of Horinji temple (Horinji). Buddhism and Shinto have fused in Japan. On its grounds there is also a tower honoring Thomas Alva Edison and Heinrich Rudolf Hertz.
Building of Denden-guu is not too large. However, renowned companies such as TV stations and electronics manufacturers have donated to the shrine.