[oprah]

> Filter bubbles are seen as critical enablers of Brexit, Trump, Bolsonaro, and other populist political phenomena, and search and social media companies have been criticised for failing to prevent their development. Yet, there is scant empirical evidence for their existence, or for the related concept of ‘echo chambers’: indeed, search and social media users generally appear to encounter a highly centrist media diet that is, if anything, more diverse than that of non-users.

https://www.doi.org/10.14763/2019.4.1426