Human knowledge has been changing from the word go and people in certain respects behave more rationally than they did when they didnt have it. They spend less time doing rain dances and more time seeding clouds. – Herbert Simon
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