◎contents part 1. the classical age of literacy 1. orality and the problem of memory 2. early literacy and list making 3. alphabetic literacy and the science of classification part 2. the modern age of numeracy 4. printing and the rupture of classification 5. numeracy analysis, and the reintegration of knowledge 6. the analytical world map part 3. the contemporary age of computers 7. analysis uprooted 8. the realm of pure technique 9. information play