<a href="https://en.wikipedia.org/wiki/Douglas_Engelbart" id="mwARI" rel="mw:WikiLink" title="Douglas Engelbart">Douglas Engelbart</a> gave what became known as "<a href="https://en.wikipedia.org/wiki/The_Mother_of_All_Demos" id="mwARM" rel="mw:WikiLink" title="The Mother of All Demos">The Mother of All Demos</a>", publicly debuting the <a href="https://en.wikipedia.org/wiki/Computer_mouse" id="mwARQ" rel="mw:WikiLink" title="Computer mouse">computer mouse</a>, <a href="https://en.wikipedia.org/wiki/Hypertext" id="mwARU" rel="mw:WikiLink" title="Hypertext">hypertext</a>, and the bit-mapped <a href="https://en.wikipedia.org/wiki/Graphical_user_interface" id="mwARY" rel="mw:WikiLink" title="Graphical user interface">graphical user interface</a> using the <a href="https://en.wikipedia.org/wiki/NLS_(computer_system)" id="mwARc" rel="mw:WikiLink" title="NLS (computer system)">oN-Line System (NLS)</a>.