As we celebrate 200 years since the creation of braille, RNIB is helping spread awareness of the tactile system of raised dots.
We find out more as Allan Russell chats with Tech Talk's Dave Williams.
Image shows a square with three stripes. From top to bottom: pink stripe with 'Braille 200' written in white text, black stripe with an image depiction of the same text in white braille dots, and final white stripe with 'Powered by' written in black text and the RNIB and EBU logos beneath that.