Today's major technology companies play significant roles in society. They make the smartphones and run the social media services that connect friends, families, and colleagues, and their capacity to collect and process data is unmatched in human history. Tech Titans examines the histories of these companies, discusses their activities today, and considers their futures. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.