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Context and Situation of the Visual:
Hans Rosling's visualization showcases the relationship between income and life expectancy across 200 countries over 200 years. The presentation was part of a TED talk in 2007, where Rosling aimed to challenge the audience's perceptions of global development and poverty by presenting data in an engaging and informative way.

What works in this visual?
Rosling's visualization effectively communicates a complex dataset through a series of animated bubble charts that are easy to follow. The visualization is dynamic and interactive, allowing the audience to see how countries' positions change over time. This approach brings data to life and engages the audience, making it easier for them to understand complex issues related to global development.

What is problematic?
One potential problem with the visualization is that it oversimplifies the relationship between income and life expectancy by treating them as independent variables. In reality, many other factors, such as healthcare, education, and environmental conditions, also contribute to life expectancy and well-being. While Rosling acknowledges this limitation in his talk, the visualization's focus on income and life expectancy may oversimplify complex global development issues.

What can still be applied today from these visuals?
The use of dynamic, interactive visualizations to communicate complex data is still relevant today. Rosling's approach shows that data can be presented in a way that engages and educates people, helping them to understand complex issues related to global development.

What ways in might this visual be updated for contemporary times?
Today, new technologies and data sources could be used to update Rosling's visualization for contemporary times. For example, machine learning and artificial intelligence could be used to analyze large datasets and generate new insights into global development. Additionally, real-time data could be used to create interactive dashboards that provide up-to-date information on development indicators. The visualization could also incorporate additional variables beyond income and life expectancy to provide a more comprehensive view of global development.






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