Channel Four presenter Jon Snow will look at social media’s impact on journalism when he gives the annual Bob Friend Memorial Lecture later this month.

Held at Kent University on February 25, the talk will be entitled ‘From film to Twitter – the media revolution: is the golden age of journalism come or gone?’

BBC general director Mark Thompson gave last year’s lecture, which he used to defend the corporation’s decision to axe two digital stations and cut the size of its website.

The event was established in 2009 in memory of Sky News reporter Bob Friend.