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>* Why do you buy cell phones or laptops today, knowing that future ones will be better or cheaper? Why buy some food today, when you know your purchasing power will be greater next month? Why pay for housing when prices are falling, knowing your contract will be cheaper in five years?*

The deflationary spiral is not about consumption of non-durable goods. Thats why all of your examples don't really work as reasoning against this concept. It rather is about investment and consumption of durable goods: Cars, forklifts, the pick and place machines at foxconn.

[Natanael_L]

So, still just the kind of stuff where you get more for your money over time even despite inflation, thanks to technology developments. Why would the impact of messing with the money supply outweigh that of the technology in any other way that forcing a change in scheduling? And how is inflation beneficial for those who need to save money for a long time for large investments?

Inflation would only really make sense in a model where everybody already have access to all the funds they need to purchase what they want, but where they postpone all purchases to see if the can get more, AND where it is these delays that hurt the market by making it hard for the makers of these goods to survive. And this effect has to be the single most dominant one.