But these movements can be hard to interpret, as at times they may reflect factors other than inflation expectations, such as changes in demand for the unparalleled liquidity of nominal Treasury securities.
BIS central bankers’ speeches  1  give an interesting example, Apple II, perhaps the first successful personal computer, released to public in 1977 by Stephen Wozniak and Steven Jobs cost $ (without a monitor), had 16k RAM only, and no storage device.