A sign outside Google headquarters in Mountain View, Calif. The tech giant is planning to build a campus in San Jose, Calif.

A sign outside Google headquarters in Mountain View, Calif. The tech giant is planning to build a campus in San Jose, Calif.

A sign outside Google headquarters in Mountain View, Calif. The tech giant is planning to build a campus in San Jose, Calif.

A sign outside Google headquarters in Mountain View, Calif. The tech giant is planning to build a campus in San Jose, Calif