Sources used for this wiki:

Apple's Website
http://www.apple.com/ipad/

iPad Accessories
http://www.apple.com/ipad/accessories/

iPad2 in Wikipedia
http://en.wikipedia.org/wiki/IPad2

http://designmodo.com/apple-ipad-2-review-first-look-design-features/

Apple's Design Principals (based on Dieter-Rams/Braun)
http://designmuseum.org/design/dieter-rams

http://gizmodo.com/343641/1960s-braun-products-hold-the-secrets-to-apples-future

The iPad Book
https://www.imagineshop.co.uk/ipad-book-revised.html

Engadget.com
http://www.engadget.com/2011/03/02/ipad-2-vs-original-ipad-whats-changed/

http://www.pragmaticmarketing.com/publications/magazine/6/4/you_cant_innovate_like_apple

http://www.wired.com/gadgetlab/2010/04/how-apple-designed-the-ipad-out-in-the-open/

References

Conant, Jennet and Marbach, William, D. 1984. "It's the Apple of His Eye".
NewsWeek, 30 (January): 54-57. Gelman, Eric and Rogers, Michael. 1985. "Showdown in Silicon Valley". NewsWeek, 30 (September): 46-50.
Goodell, Jeff. 1994. "Eve Jobs". Rolling Stone, 16 (June): 73-79.
Halliday, David. 1983. "Steve Paul Jobs". Current Biography 5 (February): 204-207.
Morrison, Ann, M. 1984. "Apple Bites Back". Fortune 20 (February): 86-100.
Scott, Linda, M. 1984. "For the Rest of Us: a Reader-Oriented Interpretation of Apple's 1984 Commercial". Journal of Popular Culture (Summer): 71-78.
Sculley, John. 1987. "Odyssey". Personal Computing, (December): 201-209.
Uttal, Bro. 1985. "The Adventures of Steve Jobs". Fortune, 14 (October): 119-124.