1.   A ship could nevertheless be navigated accurately, especially when up-to-date hydrographic data was available from offshore surveys by submarines.

2.   Access data is only useful when records remain relatively constant in their activity.

3.   All data is stored on a central file server.

4.   As Wolff notes, these wealth data are still preliminary and even in final form are notoriously difficult to draw conclusions from.

5.   Data in essence were a free and renewable resource contributed by members of the cooperative and cooperatives like them around the world.

6.   Data is easily digitised and automated, the method is not imaging and not cheap.

7.   Data is stored in the central system, where specialist software looks after billing.

8.   Despite the clear overall preference for first-cousins, the data were highly variable.

9.   Equally, science would be much less advanced than it is if the only available data were intuitive estimates of quantities.