The pie charts illustrate data on the proportion of time spent on various activities—computer, phone, paper document, face-to-face communication, meeting, and other activities in the United States of America in 1980 and 2000.
Overall, it is evident that in 1980, the telephone was the most time-consuming activity, whereas by 2000, the computer had become the dominant one. Additionally, face-to-face communication and other activities remained relatively stable over the two decades, while the time spent on meetings declined significantly.
In 1980, the telephone was the dominant means of communication, accounting for 30% of the total office activities. Paper documents ranked second, making up 20%, followed by face-to-face communication at 14%. Furthermore, meetings and other activities recorded the smallest proportions, at 15% and 2%, respectively.
By 2000, the figures had changed significantly. The use of computers rose dramatically to 30% of total office activities, becoming the most common method of work. The percentage of time spent on the phone declined remarkably to 17%. Moreover, paper documents dropped notably from 20% to 10%, while face-to-face communication remained steady at 14%. However, meetings experienced a significant decrease from 14% to 6%. Other activities and email accounted for 15% and 8%, respectively, making them the least time-consuming activities in the office.