The pie charts demonstrate the usage of time percentage for various activities in the office in the US between 1980 and 2000.
Overall, it is evident that the use of computers witnessed a significant growth, while phone usage reduced. Additionally, email services were added in the 2000th.
In 1980, computer adoption was the least popular among all duties, remaining only 2%. However, in 2000 year, the usage percentage increased up to 30%, and has became the most dominant. In contrast, mobile phone and paper document usage has decreased significantly over time, from 30% and 20% to 17% and 10% respectively.
Turning into interactive tasks, the percentage of meetings has dropped by 7%, and,in 2000, email services were introduced, having almost the same percentage, as it fell in the meetings ratio. At the same time, face-to-face communication and other activities remained unchanged in both years, about 15%.
