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One reason that the increased popularity of computers as research tools. Most of people preferred to annotate and underline aritcles as they read them ( Olsen, 1994)
According to Button (2009), there is therefore a increasing number of printed pages of paper now than before.
Harrington (2009) points out that Week's "paperless office" theory seems good, but actually the use of paper increased at early 2000s. Harrington states that the reason is that some people do not realize paper is real.
consumption of paper still growing though many technological innovations have developed greatly (Liu, 2008).

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Olsen (1994) found that most of the interviewed prefer to note or mark articles when they are reading. According to Button (2009), there are more printed pages of paper in office now than before.
Possibly, "paperless office" would  be feasible, because all data to be stored and recovered though electronic form (Harrington, J., 2009). However, paper is easier to read than a screen and portable. Therefore, this is a huge impediment to the paperless office.
The consumption of paper has increased  globally over last decades (Liu, 2008). This situation will continue unless people change their habit of wasting paper.

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Tao Tina Sabrina
In the 1990s, people thought it would bring substantial advantages if offices could become "paperless", but which has not been achieved.

Liu and Stork (2000) state that 63 % of people they interviewed prefer to annotate or underline articles when they read them. However，it is not convenient for people to they read on computers and make notes.

Button and Sharrock (2009)
indicates that

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According to the survey, more and more people chose to use paper for printing and writing.(Liu, et al., 2008). Button (2009) argues that the current office software is not complete, some work also need to finish with paper. Using electronic equipment could save the cost, but people prefer using paper materials.(Harrington, 2009).Although some innovations have replaces the paper, paper consumption has still increased in the past three decades(Liu, 2008).

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Extract 3
The term "paperless office" came out from an article named Business Week in 1975. The paperless office could save storage space, storage equipment, and paper purchases. However, most businesses were far from a purely paperless office .

Extract 4
According  American Forest & Paper Association (2006), as an increasing number of paper consumption, the substantial number of paper used by printing and writing during the period of three decades. In addition, the consumption of paper has rose more than double  times in recent 20 years, particularly in China. (Sciadas, 2006)

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People thought fewer paper would be used in offices in the late 20th century and that would be a sustainable development in commercial circumstances, while the fact is that more and more paper is used nowadays than before, for several reasons.