Please give three examples.

• Computer clock speed (Kurzweil got this wrong).
• Nuclear power.
• Transportation.
• Agricultural yields.
• Mining and resource extraction (on a price per unit basis; total production has gone up).
• Drug discovery (Kurzweil mispredicted this one too).
• Skyscraper construction.
• Construction costs generally.
• Electricity costs.
• Household cleaning devices.