The assigned pie charts depict the information about various genres of communication used in year 1962 and 1982. Data has been calibrated into percentile. To sum up, it can be conclude that there was a rapid transformation in the modes of communication between 20 years. It can be seen that there were significant changes in each of three media surveyed. The modes of communication were revolutionized with the greater penetration of phones and computers both of th put together mode the use of letter insignificant. Letter writing which accounted for 50% of the total was the most popular from of communication in 1962, while by 1982, this figures declined drastically to just 10% which is smallest number of the year. On the contrary side, the use of phones and computers during the same period rose dramatically. The telephone rising from 35%to 60% become favourite means of communication. Similarly, use of computer doubled to 30%. 
The assigned pie charts depict the information about various genres of  
communication
  used
 in year 1962 and 1982. Data has  
been calibrated
 into percentile. To sum up, it can be  
conclude
 that there was a rapid transformation in the modes of  
communication
 between 20 years. It can be  
seen
 that there were significant  
changes
 in each of three media surveyed. The modes of  
communication
  were revolutionized
 with the greater penetration of phones and computers both of  
th
 put together mode the  
use
 of letter insignificant. Letter writing which accounted for 50% of the total was the most popular from of  
communication
 in 1962, while by 1982, this figures declined  
drastically
 to  
just
 10% which is  
smallest
 number of the year.  
On the contrary
 side, the  
use
 of phones and computers during the same period rose  
dramatically
. The telephone rising from 35%to 60% become  
favourite
 means of  
communication
.  
Similarly
,  
use
 of computer doubled to 30%.