As I was cleaning out my papers, I came across some old receipts for various tech gadgets. While I’m used to high-tech stuff getting cheaper and cheaper, I still find it stunning how quickly prices have fallen for certain items:

Item Purchase date Purchase price Current price Annual depreciation rate Annual overall inflation rate (CPI)
1 GB USB flash drive Dec 16, 2005 $69.99 $7.99 −43.8% +2.4%
2 GB SD Flash card Nov 24, 2006 $84.98 $9.99 −57.6% +2.4%
Canon PowerShot 7.1 megapixel camera Nov 23, 2006 $361.49 $179.99
(8.0 MP)
−24.4% +2.4%