popularity of some communications forms
the line graph illustrate 5 different kinds of communication service which were used by people over 6 years.
it is clear that online internet and cell phone were 2 most popular services to contact.in 1998, the number of people who used internet and cellular phone services started at around 5 per 100 inhabitants.But, both of them went up together in the remaining years.Especially, cell phone communication soared dramatically to 60 users. it was three times as much as of that internet communication.
Landline services had a stable number of people who used that way from 15 to 18 per inhabitants over the period.Meanwhile, the others communication are mobile and fixed which were just introduced in the latter half of the graph . so , they just grew slowly at around 5 out of 100 people from 2002-2008.
overall , there were many services to communicate.But , cellular phones were the most well-known way
The line graph shows the number of people who used different communication services in the world.