The given line graph illustrates data about the users of four global communication platforms between 1998 and 2008.
Overall, while Landline service and fixed broadband almost remained unchanged, both Cellular phone service and Internet service showed an upward trend over the period, with the mobile telecommunication service having the most users.
According to the data, landline service was actively used by people at the outset, at around 15, making it the most popular service in 1998. After that, it rose to 20 in 2004 before showing a slight decline, reaching almost 19 in 2008. By comparison, Fixed broadband had no users at all at the beginning of the period and stayed unchanged till 2004 before experiencing a growth in its users to approximately 6, the least popular service in 2008.
When it comes to wireless communication system, it had around 6 users initially before showing a steady increase over the period, surpassing Landline service to reach 30 in 2004. Then, it continued to increase steadily, reaching roughly 40 users in 2006, and the most actively used service by people. Following that, it showed a drastic growth and rose to almost 65 in 2008. In contrast, internet service also experienced a growth in its users, reaching 10 in 2004 before outstripping Landline service to reach 20 in 2008, the second widely used service after Cellular phone service.