The table shows the proportion of the different types of usage of phones over the period of 2006 to 2010 by their owners. Over the table, it is clear to see that "Makes calls" has by far the highest percentages among all the features during the 5 years, while "Search the internet" and "Record video" have the biggest changes. As shown in the table, "Makes calls" has nearly 100 percent in these three years, which is the highest compared to the others. In the same time, "Take photos" has a similar percentage to "Send and receive text messages " , which is between 60 percent to 80 percent. "Take photos" and "Send and receive text messages " range in the second for both and a slower increase. For "Play games" and "Play music", they have the bigger rise during the 5 years, and they rose from 17 to 41 and from 12 to 26, which both have twice the time in 2010 than the 2006. Finally, "Search the internet" and "Record video" have the biggest changes between the 2008 to 2010, with about 2-4 times increase.