BBC Trending is the show that investigates stories related to online trends, social media, and viral phenomena. We speak to its editor about a recent edition focussing on North Korea - and a listener asks about the programme’s wider editorial remit and why there are not more uplifting news stories?

Plus BBC Sounds has finally been given a date for its turn off - we hear your initial thoughts on its replacement.

Presenter: Rajan Datar Producer: Howard Shannon A Whistledown production for the BBC World Service

The BBC has introduced a paywall for people looking at parts of its website from within the United States. We hear listeners’ reactions to being asked to pay for something they previously got for free, whilst others outside the US ask if it sets a precedent for the rest of the world. We are joined from New York by the BBC Studios executive in charge of the project, Rebecca Glashow.

Presenter: Rajan Datar Producer: Howard Shannon A Whistledown production for the BBC World Service

The BBC News Persian service has provided expertise and analysis to the whole of the BBC, in spite of being banned from Iran. We hear how journalists with BBC News Persian have been broadcasting reports about the situation in Iran and we are joined by the head of its service.

Plus, The Killing Call tells of the murder of Indian music star Sidhu Moose Wala. The executive editor of World Service documentaries tells us of the various challenges producers faced in its making.

Presenter: Rajan Datar Producer: Howard Shannon A Whistledown production for BBC World Service