Landline phones and fax machines seemed high-tech in the 1990s, but now they’re almost  extinct thanks to smart phones and email...  and does anyone remember telegrams?  This episode will answer questions like: What is a fax machine and how does it work? What is a telegram? When were mobile phones introduced in Australia? What is a rotary phone? Find more episodes of kids’ history podcast Wait... They Did What!? with Tilly Oddy-Black on the Kids tab of ABC listen.