Where is the Twitter bird in the cage - world map

Currently, only 4 countries block Twitter in the world: China, Iran, Turkmenistan and North Korea. The social network was previously blocked by another 32 countries. Protests and/or elections were a common reason for blocking or restricting access.

Thematic maps are a way of visualizing spatial data and can therefore be powerful tools for transmitting information. We'll highlight the characteristics of thematic maps, as well as the major types of thematic maps you're likely to come across and the symbols that go with them. As you read this explanation, think about the importance of the visual representation of information.