In New York, copper wires have not been upgraded to carry data in many places.
There are also questions about how nations, rich and poor, will be able to pay for all these reforms and there remains insufficient data in many countries to inform policymaking and track progress over time.
Climbing from 110 million in 1850, Africa's headcount reached this threshold in 2009, according to the United Nations, although patchy census data in many countries means that no one can say where or when.
Although data in many different formats was encoded on punch cards over the years, much was encoded in the standard Ascii text format and can easily be transferred to modern computer files with the right equipment.
As a professional investigator, I use this data in many ways: tracking down witnesses and uncovering information in complex litigation; conducting criminal background checks; finding stolen assets; and investigating white-collar crime (including identity theft).
"We have more data in many ways than Google," said Qi Lu, who oversees search, online advertising and the MSN portal at Microsoft.
The internet company recently admitted that it had unintentionally gathered e-mail and password data in many countries while mapping its Street View service.
RealFacts, a company that compiles rent data in many cities, said the average rent at 50 large apartment buildings it tracks here was now $2,663 — a record.
Prediction of workflows needs enormous data in many fields.
It investigates the largely widespread data in many areas of science and industry.
Data in many real life engineering and economical problems suffer from inexactness.
