1. iPhone
2009/08/10

7. B&N
Amazon Kindle B&N Shortcovers iTunes
eBook
29.95 19.95 29.95 300 ebook
15.96 10.49 0.99 0.7=210
19.77 9.99 23.96 279 0.5=149
PC
Mac PC
ereader iPhone Mac 0.4=120
iphone Blackberry iPhone iphone 0.3=99
ereader? Blackberry

13. B&N Oreilly
Amazon Kindle B&N Shortcovers iTunes
eBook
Print
19.99
19.99 15.99 19.99 3.99 ebook
NA NA Print
13.58 9.99 15.99 2.99 +Ebook 149
21.99
PC
Mac PC Ebook
ereader iPhone Mac (Mobi+PDF
iphone
iphone Blackberry iPhone
+ePub)
99
ereader? Blackberry 15.99

20. B&N
Amazon Kindle B&N Shortcovers iTunes
eBook
29.95 14.00 29.95 380 ebook
9.99 9.99 0.99 0.7=266
18.89 9.75 23.96 342 0.5=190
PC
Mac PC
ereader iPhone Mac 0.4=149
iphone Blackberry iPhone iphone 0.3=119
ereader? Blackberry

21. • ( ) x 0.7
• iPhone ( ) x 0.4
•
• PCHome 180 zinio 133 0.7 126
iphone 0.4 72 69
• 365 288 0.7=255
0.5=182 iphone 0.4=146 129
• 150 zinio 100 0.7=105
99 iphone 0.4=60 59