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1.
The act of putting off buying a current product knowing that a new model or updated version will be released in the near future.
Example 1:

Guy 1: "Hey, I've just bought myself an Iphone 4s!".

Guy 2: "I think i'm going to use Obsolete Avoidance and wait for the Iphone 5".
by SmudgeJack January 20, 2012