Four Thought

Ali Goldsworthy explains why campaigns which succeed by polarising people can cause long-term harm, and suggests ways we might tackle the resulting damage.Ali was a top digital campaigner, working with charities, campaigns and political parties to mobilise hundreds of thousands of people to take action on behalf of causes. But in this honest and introspective talk she reveals how her doubts about some of the techniques she was using eventually suggested a dramatic change of direction. Ali now heads up the Depolarization Project, seeking to create space for people to change their minds.Presenter: Olly Mann Producer: Giles Edwards

Emma Hayes explains why the fit of our clothes matters, particularly for women. Inviting us to join her journey from fitting rooms to advising on the latest innovations in technology, Emma describes the many failures of size to capture a woman's body. And with many more of us now buying clothes online, and unable to find out before buying it whether a garment which appears to be the right size actually fits, the problem is getting worse. The costs, as she explains, can be serious for the individual, for the business, and for the environment.Producer: Giles Edwards

Alice Moloney discusses how best to express negative emotions in the digital realm.When Alice's father was diagnosed with cancer, she found herself at a loss as to how to communicate with him digitally. One solution was sending more personal objects. But Alice works in digital communication, and in this talk at the Shambala Festival she describes her journey to improve the tools available to communicate grief and sadness.Producer: Giles Edwards

Andrew Hankinson tells the story of a boy who died, and his parents, who wanted him alive.Recorded at the Shambala Festival in 2019, this is also an extraordinary story about Andrew's quest to understand the family's story, his feelings of discomfort, and his reasons for wanting to tell it in the first place.Producer: Giles Edwards

Anna Della Subin takes a journey with a man once worshipped as a living god.Anna Della has been writing a book about people inadvertently turned into gods, and in this bewitching talk she describes a journey across Morocco with one of them. She discusses what prompts people to regard others as gods, and what it might tell us about our society.Producer: Giles Edwards

Sarah Gristwood is worried that the vogue for tidying will make history harder to uncover.Sarah is an historian herself, and in writing her books has relied heavily on documents which might easily have been discarded. But that's not all: she wonders, too, how her successors will access our digital clutter in 500 years' time.Producer: Giles Edwards

Ashley Hickson-Lovence says his powerful mother and his love of reading kept him out of gangs while growing up on an estate in East London. As a former English teacher and now a debut novelist, he believes black boys, in particular, need books to read that engage them by reflecting their own lives. "Not everyone can have a mother like mine, but everyone deserves the key to the world of books which could change their lives." Recorded at Primadonna literary and arts festival. Presenter: Farrah Jarral Producer: Sheila Cook

Monisha Rajesh says the romance of train travel is not dead. After exploring the railways of India, she travelled across continents to research her book "Around the World in 80 Trains", discovering that the romance, " Wasn't dead, just reincarnated, living on in the passengers who would always tell their story to strangers, offer advice, share their food, and give up their seats." Recorded at Primadonna literature and arts festival. Presenter: Farrah Jarral Producer: Sheila Cook

Winnie M Li talks about her traumatic experience as a survivor of sexual violence, describing its lasting impact. She also charts her recovery through writing and activism.

Louise Doughty, whose novels include Apple Tree Yard, explains why Peterborough railway station, the setting of her latest novel, has particular significance in her life as a place of transit. As she journeys back into her past, she discovers her own personal history sheds light on the experience of others. Recorded at Primadonna literature and arts festival in Suffolk. Presenter: Farrah Jarral Producer: Sheila Cook