how did the people of kibera (Nairobi, Kenya) use the data they collected themselves to improve their quality of life

There are approximatly 2.5 million slum dwellers in about 200 settlements in Nairobi representing 60% of the Nairobi population and occupying just 6% of the land. Kibera houses about 250,000 of these people. Kibera is the biggest slum in Africa and one of the biggest in the world.

they went to find things an collected life things they needed

Explanation:

found off of Google put in own words