future of textbooks
etext, ebook, ereader
200 woodblock printing
1041 movable type
1440s printing press
1796 lithography
1969 laser printing
humans and change
will books be napsterized?
..rapidshare  10M GB
attributor
166X"the lost symbol" on 11
sites
texting?..no.. just trying to read chapter 6
ownership
cost
human biology
50(u),80(H), 70(e)
formats..
.txt,.pdf,.xml,.html,.azw,.opf, .tr2, .tr3,.arg, .DTB,.fb2, .chr, .ps, .djvu, .lit, .pdb, .dnl, .pkg and more...
benefits..
cheaper, better for the environment,
weigh less,
updated more easily, 
searchable,
google books, 2004,
10 million (XML)
project guttenburg,
1971, 30,000+
cost 
300-
700$
the last symbol
10(p),16(H),10(E)
opensource text books
http://www.edutopia.org/california-open-source-digital-textbooks
http://www.blioreader.com/
http://money.cnn.com/galleries/2010/moneymag/1002/gallery.e_readers.moneymag/index.html
CK-12 Foundation or Curriki, and 
flatworld knowledge
The Barnes & Noble eReader iPhone app, left, allows readers to lend a book to a friend, but the Kindle app for the iPhone, center, does not. The company behind the Kobo app for the iPhone, right, says that after users buy a book, they can read it on multiple devices.
http://www.only2clicks.com/pages/joycevalenza/350887
http://stephenslighthouse.com/2010/05/16/the-future-of-the-textbook/