Web applications have distributed network or systems; due to absence of source code or binaries it is not possible to use white-box testing.

Diaspora (social network), a nonprofit, user-owned, distributed social network based upon the free Diaspora software.

Delhi Transport Corporation services in Delhi has vastly distributed network of bus services.

Construction was eventually completed in 1868 but the pumps and distributing network were not finished until 1877.

And since 1992, cable operators by law must provide any nationally distributed network they own to the direct-to-home satellite companies and other competitors.

The mobile switching center can be used to provide a large scale distributed wireless network or a small scale wireless network.

Yet it is the way in which Google has built its globally distributed network that illustrates the daunting task of its competitors in catching up.

So essentially it's centralized control of a worldwide, massively distributed network of slave computers which could be used for many purposes.

It then distributes those jobs on its website as well as social network, blog, and other website partners.

Distributed social network (comparison)