Here is a site that will take your breath away, both by how the elegant simplicity and combination of elements creates impactful learning, and by the powerful data it brings to life.
"Products of Slavery is an online visualization that takes the data from a report of the U.S. Department of Labor on child and forced labor worldwide, and makes it open and accessible. Investigations show that more than 122 different products are made using child or forced labor in more than 58 countries." (Via Information Aesthetics)
Products of Slavery was created by Anti-Slavery International, the oldest human rights organization in the world. They work at local, national and international levels to eliminate all forms of slavery around the world.