Assistive robots can act as companions and coaches to young and old alike, from autistic children to stroke survivors. Eighteen-year-old Saliha, from Bangladesh, talks to Professor Maja Mataric, from the University of Southern California, about why she is convinced technology can be a force for good. #WorldWiseWeb

Producer: Tamsin Barber.

World Wise Web is a co-production between BBC World Service and BBC Rewind.

Music composed by Nick Thorburn

Archive: Robot archive is from the USC Viterbi School of Engineering.