Buckmaster of Craigslist doubts that we have seen the end of the printed newspaper.  He mentions, in an interview with Tom Keene from Bloomberg, the usability requirement to meet the needs and wants of the customer:

Recently, Brian Kernighan gave a lecture at Princeton talking about "The Changing Face of Programming".
(Warning: PDF Link) The Changing Face of Programming - Brian Kernighan

We tend to really like paper prototypes in our line of work.  We often find that by just doing three or four prototypes that we have significantly increased our knowledge of what the client needs up front.
Techniques and tools are discussed at introspectiveH.

Tech Nation interview with Bill Moggridge of IDEO.  The key to successful interaction design: make a prototype and try it with people.
 Full interview (30 minutes)

University of Toronto business-school dean Roger Martin on how Milton Glaser and Massimo Vignelli think about design and its relevance to business.

they don’t confuse what they presently see with reality, and therefore don’t see the present state of a thing as immutable.
they don’t fear the ambiguity that’s created by models or concepts that conflict with one [...]