The line graph reveals an average of annual American spending on mobile phones and home-service phones from 2001 to 2010.
Following the advancement of technology in communication, the data illustrates that people tend to utilise mobile cell phones rather than home-based phone service. Their behaviour of using the telephone changes throughout the year. The growth in the usage of handphones is over 4 times, from $200 to $800. Handphone users' spending in 2010 overlapped with that of conventional telephone by about $700 in 2001.
In contrast
, the home phone service subscribers declined by over $300. Both the ups and downs of phone utilisation had an intersection in the same amount of spending in 2006, about $550.Linking Words