This title examines Twitter, the social networking website. Readers will learn about company history and development, how Twitter operates, issues the company faces such as cyberbullying, and its impact on society. Key components such as tags and hashtags are also explored. Color photos accompany easy-to-read, compelling text. Features include a company profile, mini bios of company founders, timeline, fast facts, informative sidebars, and section on online safety. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.