Points from a Talk given by Dr. Raj Reddy of Carnegie Melon University, USA at TIFR (Tata Institute Of Fundamental Research), Mumbai (Bombay) on 28th July 2001.
 Hardware Prices continue to Fall while Capacities Increase.
 In 1972, a 1 Giga Byte Hard Disk cost US 1.2 Million Dollars (or approximately Rupees 5 Crores).
In 2001, a 30 Giga Byte Hard Disk cost US 99 Dollars (Less than Rupees 5000).
In 2005, a 40 GB Hard Disk costs 68 Dollars ( Approximately Rs 3000).
So, in a span of less than 30 years, hard disk capacities have increased by 30 times while prices have slashed by 10000 times.
This means a Price-Performance Ratio Increase of More than A Million Times in 10 Years.
Or More than 300 Times Per Day.
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