Why is it necessary to include the word “black” to find black people pictures on search results? This is what the NGO Desabafo Social is questioning in the experiment #SearchForEquality (#BuscaPorIgualdade, in Portuguese) addressed to the largest image banks in the world – Getty Images, Shutterstock, Depositphotos and iStock Photos.

The movement #SearchForEquality has engaged millions of people in Brazil in only a week making Google, Shutterstock and Depositphotos to discuss how to change their algorithms globally.

Let's talk about your search algorithm, iStock?