This document discusses copyright issues related to digital textbooks and teaching materials. It includes graphs and charts showing statistics on textbook usage, costs, and sales over time. It also contains diagrams illustrating connections between learning, technology, and networking in education. The document is copyrighted and all rights are reserved by Digital Textbook and Teaching.

1. COPYRIGHT
2011.
Digital
Textbook
and
Teaching
all
rights
reserved.

2. 0.9%
2.2%
14.6%
16.6%
0.3%
25.7%
51.0%
30.0%
58.8%
81.3%
84.5%

3. 250
229.08%
200
150
100
50
0
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
100
90
8.6
51.8
39.6
4 1
15.4
58.4
26.2
80
2 1
15.3
61.4
23.3
70
14.7
62.8
22.5
12 1
16.8
63.2
20.0
60
10 1
18.2
68.1
13.7
50
20.3
65.1
14.6
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
0%
20%
40%
60%
80%
100%

4. 130%
4900
3600
13600
40.0
1 33.2 120%
35.0
(OCED 21.6 )
30.0
110%
3600
6000
25.0
20.0
100%
1900
15.0
3000
10.0
90%
5.0
0.0
80%
3700
2200
7400
70%
a
60%
1985
1987
1988
1989
1991
1995
1997
1998
1999
2001
2005
1986
1990
1992
1993
1994
1996
2000
2002
2003
2004
2006
6
5
a
4
3
2
1
0

5. 4.6
4.3
4
3.7
4.6
4.5
4.5
4.4
3.4
4.3
4.2
4.1
4.1
4.0
3.1
2.8
3.1
2.5

8. 13600
95.5% 85.6%
49.2%
20.9%
57.1% 16.7%
0%
20%
40%
60%
80%
100%
0%
20%
40%
60%
80%
100%
82.6% 79.7%
( )
90
80
70
60
50
40
30
20
10
0%
20%
40%
60%
80%
100%
0

10. DiTT

11. 0
100
1
90
80
2
70
3
60
4
a
50
a
5
40
6
30
20
7
10
8
a
0
9
H19.3
H20.3
H21.3
H22.3
H23.3
H24.3
H25.3
H26.3
H27.3
H18.3
H19.3
H20.3
H21.3
H22.3
H23.3
H24.3
H25.3
H26.3
H27.3

14.
LAN
NICER
ICT