In 1985, after the National Literacy Crusade had ended, the infant mortality figures for those who remained illiterate and for those educated in primary school remained more or less unchanged.
The benefits of scaling stateful application are less impressive due to increased complexity and the performance impact associated with replication of state or data.
More importantly, scientists are already queuing for seats on these low-gravity space-flight services so they can collect data during a few minutes of weightlessness.
The BBC's Humphrey Hawksley, in Baghdad, says the key issue at present is exactly how American troops will withdraw within the next three years and what sort of Iraq they will leave behind.