Tackling racism on social media is just the tip of the iceberg | Owen Jones

Amid the anger over Wiley's bigoted tirade, let's not forget the newspapers that have been peddling prejudice for years

Kano: an apology. This article mistakenly carried a photograph of Kano when it was first published. The Guardian apologises unreservedly to Kano and our readers for the error, which has now been corrected. We would also like to clarify that Owen Jones was not involved in this error

Twitter is simultaneously many things: a means of elevating otherwise ignored voices, a platform for facilitating debate, a portal to access a bewildering array of information - and a cesspit of hatred.