Editing Entropy (section)

=== World's technological capacity to store and communicate entropic information ===
{{See also|Entropy (information theory)}}
A 2011 study in ''[[Science (journal)|Science]]'' estimated the world's technological capacity to store and communicate optimally compressed information normalised on the most effective compression algorithms available in the year 2007, therefore estimating the entropy of the technologically available sources.<ref name="HilbertLopez2011">{{Cite journal|last1=Hilbert|first1=Martin|last2=López|first2=Priscila|date=11 February 2011|title=The World's Technological Capacity to Store, Communicate, and Compute Information|journal=Science|language=en|volume=332|issue=6025|pages=60–65|doi=10.1126/science.1200970|pmid=21310967 |bibcode=2011Sci...332...60H |s2cid=206531385 |issn=0036-8075|doi-access=free}}</ref> The author's estimate that humankind's technological capacity to store information grew from 2.6 (entropically compressed) [[exabytes]] in 1986 to 295 (entropically compressed) [[exabytes]] in 2007. The world's technological capacity to receive information through one-way broadcast networks was 432 [[exabytes]] of (entropically compressed) information in 1986, to 1.9 [[zettabytes]] in 2007. The world's effective capacity to exchange information through two-way telecommunication networks was 281 [[petabytes]] of (entropically compressed) information in 1986, to 65 (entropically compressed) [[exabytes]] in 2007.<ref name="HilbertLopez2011"/>