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34 MAPPING THE GREAT BEYOND<br />

Figure 14, he was able to identify <strong>the</strong> community water pump <strong>in</strong><br />

Broad Street as <strong>the</strong> source of <strong>the</strong> outbreak; <strong>the</strong>re was a marked<br />

reduction <strong>in</strong> deaths from cholera after <strong>the</strong> handle was removed from<br />

<strong>the</strong> pump.<br />

Figure 14. John Snow’s data map of Cholera deaths<br />

Results like <strong>the</strong>se, achieved us<strong>in</strong>g data maps, are also available<br />

to <strong>the</strong> governments and NGOs of today as <strong>the</strong>y seek to pursue <strong>the</strong>ir<br />

objectives by engag<strong>in</strong>g with numerous communities around <strong>the</strong><br />

world.<br />

Network analysis can achieve greater impact because mapp<strong>in</strong>g<br />

provides a better understand<strong>in</strong>g of how key <strong>in</strong>dividuals or<br />

communities get <strong>the</strong>ir <strong>in</strong>formation and <strong>the</strong> <strong>the</strong>mes <strong>the</strong> users def<strong>in</strong>e<br />

as important. <strong>Mapp<strong>in</strong>g</strong> can also show <strong>the</strong> l<strong>in</strong>ks between different<br />

communities to identify key nodes of <strong>in</strong>fluence. As a result, an<br />

organization can make <strong>in</strong>formed decisions about which <strong>in</strong>itiatives<br />

reach <strong>the</strong> same communities and which operate largely <strong>in</strong> isolation<br />

from each o<strong>the</strong>r. This can reduce <strong>the</strong> potential of projects com<strong>in</strong>g<br />

<strong>in</strong>to conflict due to <strong>the</strong>ir differ<strong>in</strong>g emphasis, and identify areas where<br />

projects could collaborate to multiply <strong>the</strong> impact of <strong>the</strong> <strong>in</strong>dividual<br />

<strong>in</strong>itiatives.

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