Provides an overview of modern communication devices, discussing the history of communication before the invention of electricity, how the Internet has completely changed communication in the world, smart phones, Internet crime and safety, and more.

Includes index.

Always connected, doing everything -- Communication before electricity -- Communication with electricity -- How a telephone call works -- You decide -- Smart phones -- Connecting everything -- Why be wired? -- Innovation in a wired world -- Staying safe in a wired world -- Crime in a wired world.