communication systems

"WhatsApp is a messaging app used by nearly a billion people to trade information, photos, and chats more quickly and less expensively than 'traditional' texting. Inside, find out who created this . . . company, how it grew with shocking speed, and how it is looking to the future to become bigger and better"--Provided by publisher.

Provides an overview of the information network with advice on introducing the computer resource to students, faculty, and staff, and discusses how it can be used in school libraries and in specific content areas. Includes Internet access points, E-mail addresses, and transparency masters.

First-person accounts and Marine Corps documents help explain how code talkers created a unique code within a code which became one of the Marine Corps' most powerful tools during World War II.