1. Extension And Density Of Networks: Telephone Calls
IB HL

2. Landline Telephone Traffic
The largest amount of traffic is between North America and Europe.
The next largest is between North America and South East Asia.
There are large flows between North America and the Caribbean and Latin America.
There are few flows between Africa and the other continents.

3. What Are The Reasons? Population Size Population Density Wealth
Trading Partners
TNC’s
Migration
Colonial History
Language

4. Activities
Using Geography Course Companion P , answer the following…
What is the distribution of Landline Phone access in 2002 (Figure 13.13; P332)?
What is the distribution of Mobile Phone Access in 2002 (Figure 13.14; P333)?
What are the reasons behind the similarities and differences between them?
How has the diffusion of mobile phones in Africa (Figure 13.15) changed between 1999 and 2006?