Data - the size, cost and evolution.
A film of a punch card system was shown to illustrate the use of data held on punch cards, sorted by column and reports printed from the data on cards.
The evolution of commercial data storage via paper tape, magnetic tape and large disk drive assemblies was described.
The evolution of domestic data storage media was described.
Then the relationship between kBs, MBs, GBs, TBs etc all the way to YBs was explained.
Finally some real world values of data were shown along with the comparative times of data transfer via Thunderbolt and USB2 connections.
There then followed the round table discussions of issues including the recruitment of new members.