| Illinois was among the states to have the largest | | | | increased by over 54 percent. |
| initial use of cellular phones, and yet they have | | | | Clearly, Illinois has openly accepted cellular phone |
| also maintained a steady growth throughout the | | | | technology into its culture, and it has become an |
| last few years. The latest statistics show that as | | | | important part of the way that the main cities |
| of 2006, there were 9,540,120 cellular phone | | | | communicate. Primary among those cities are the |
| service subscribers in Illinois. Considering that the | | | | largest, which are Chicago, Aurora, and Rockfort. |
| population at that time was 12,831,970, it means | | | | Each of these three largest Illinois cities has |
| that by the year 2006, 74 percent of the | | | | developed a major industry of cell phone service, |
| population of Illinois was already subscribing to a | | | | as well as a large number of cell phone service |
| cell phone service. | | | | subscriptions. |
| To show how much this number has grown, we | | | | Though these cities have placed substantial |
| can look back at the same statistics but from the | | | | importance on cell phone communication, they |
| year 2000 - six years earlier. At that time, the | | | | have not yet developed cell phone number |
| population of Illinois was 12,419,293, there were | | | | directories for the entire city of Chicago, or of |
| 4,309,660 cell phone subscribers - over 34 | | | | Aurora or Rockfort. This reflects Illinois as a |
| percent of Illinois' population. From that, we can | | | | whole, as it does not have a cell phone number |
| see that though the population increased by only | | | | directory available to its population. |
| 3.3 percent, the number of cell phone subscribers | | | | |