TY - BOOK AU - Csiszar,John TI - WhatsApp T2 - Tech 2.0. World-changing social media companies SN - 9781422240601 U1 - 384.33 23 PY - 2019/// CY - Broomall, PA PB - Mason Crest KW - Koum, Jan KW - Juvenile literature. KW - 1976- KW - WhatsApp (Application software) KW - Social media KW - Instant telephony KW - Internet messaging KW - Juvenile literature N1 - Includes reading comprehension questions. ; Includes bibliographical references (page 62) and index. ; The founding; Popularity explosion; Game-changing tech; Now and the future.; Ages 12+ N2 - Internationally, WhatsApp has become the gold standard of messaging apps. Nearly a billion people now trade information, photos, chats, and more quickly and less expensively than "traditional" texting. Inside, find out who created this super-successful company, how it grew with shocking speed, and how it is looking to the future to become bigger and better. ER -