Home Technology How a US teen developed an app to help his sister talk How a US teen developed an app to help his sister talk Author - personTeam Real Pakistan June 30, 2021 share Sixteen-year-old Archer Calder developed an app to help his nonverbal sister Della communicate. from BBC News - Technology https://ift.tt/2UddTRo Tags BBC NewsBBC News - TechnologyTechnology Facebook Twitter Whatsapp Newer Older
