The document discusses the evolution of different forms of communication and their impacts on human culture and society.
Speech enabled tribes with 10^7 bits of information, while writing led to city cultures with 10^11 bits enabled by printing and the Renaissance. The digital age now provides 10^25 bits but the impact on culture is still unknown. ICT is transforming work and requiring new skills while also enabling new forms of leaderless social movements and revolutions organized through social media. Overall technology and information availability is accelerating changes to society and culture at an increasing pace.