Found on the web site: http://www-2.cs.cmu.edu/~aura

"What information consumes is rather obvious:
it consumes the attention of its recipients.

Hence a wealth of information
creates a poverty of attention,
and a need to allocate that attention
efficiently among the overabundance of information sources
that might consume it."

--Herbert Simon "Designing Organizations for an Information-rich World"
in "Computers, Communications and the Public Interest", pages 40-41,
Martin Greenberger, ed., The Johns Hopkins Press, 1971.