In 2003, Swedish businessman Niklas Zennstr m sent out an email message to his friends, asking them to take a look at a new Web site called Skype.com. With that message, he launched one of the most popular Internet services of the early twenty-first century. Skype revolutionized the way that people communicated by offering free and low-cost phone calls to anywhere in the world through the Internet. In the years since Zennstr m sent that e-mail message, more than six hundred million people worldwide have become Skype users. This informational text is aligned to content areas in social science and techlogy, providing readers with a compelling look at the techlogical world of Internet start-ups and Zennstr ms cutting-edge business savvy. The insightful narrative includes sidebars on some of the companys invations, a biographical fact sheet on Zennstr m, and a fact sheet that profiles the companys achievements. A timeline provides students with a succinct overview of Zenntr ms life and Skypes history.