The pie charts compare the proportion of time which senior people (from 60 to 70) and youngsters (from 18 to 26) spent on social network activities.
Overall, The most popular activity among young people was the social networking. More interestingly despite being the most common activity for adults making booking (for cinema \travel), it has the lowest level in youngsters activity. Noticeable point is that, making purchases has the same pattern on both graphs.
Focusing on the first figures of the data, it is clear that social networking is the most widespread activity for youngsters and has the greatest number 24%. Downloading music\films as well as researching the information have the same proportion approximately 20%-21%. More lower figures owned by playing games 18% with making purchases 12% and the smallest number is in making booking 5%.
As for the second graph, the most greatest number is on making booking (cinema\ travel) 25% and others which have the approximately same figures are social networking as well as researching data ( 21% to 22%), accessing (music\ films) with making purchases (15%-12%) and the last which has the lowest proportion is playing games 5%. 
The pie charts compare the proportion of time which senior  
people
 (from 60 to 70) and youngsters (from 18 to 26) spent on  
social
 network activities. 
Overall
, The most popular  
activity
 among young  
people
 was the  
social
 networking. More  
interestingly
 despite being the most common  
activity
 for adults making booking (for cinema \travel), it has the lowest level in youngsters  
activity
. Noticeable point is that, making  
purchases
 has the same pattern on both graphs.
Focusing on the  
first
 figures of the data, it is  
clear
 that  
social
 networking is the most widespread  
activity
 for youngsters and has the greatest number 24%. Downloading music\films  
as well
 as researching the information have the same proportion approximately 20%-21%.  
More lower
 figures  
owned
 by playing games 18% with making  
purchases
 12% and the smallest number is in making booking 5%.
As for the second graph, the  
most greatest
 number is on making booking (cinema\ travel) 25%  
and others
 which have the approximately same figures are  
social
 networking  
as well
 as researching data  
( 
21% to 22%), accessing (music\ films) with making  
purchases
 (15%-12%) and the last which has the lowest proportion is playing games 5%.