Two Tales of Plummeting Prices - NYTimes.com
Jay Jamison stashed this in Tech
Interesting assessment of falling prices for different non-Apple mobile devices
A basic law of economics is that any good that does not represent a luxury brand will eventually be commoditized and its margins squeezed thin.
Amazon and Google used this law on the tablet market and smartphone market respectively.
I don't think Nokia, Blackberry, or Microsoft realized what hit them.