I rather see people invest in harder world problems (battery capacity, co2 sequestration, habitat preservation, humane recycle programs, cancer research ) rather than the next copy of x.
Buy, buy, buy, Oh please buy our 16MP cameras even though the human eye can only process around 8 MP.
Tech companies are desperate to win more users/profit channels.
www.businessweek.com/magazine/content/11_17/b4225060960537.htm