HackerTube

THE VIDEO SHELF · leap keys interface

Leap Technology

A promotional video for Leap, the navigation technology invented by Jef Raskin, demonstrated on the Canon Cat computer around 1987. It shows keyboard-driven search and cursor positioning in place of a mouse.

Why HN readers recommended it

HN uses it as the visual reference for Leap keys and Raskin's interface ideas whenever jump-to-text navigation or command palettes come up.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
aamoviebb
Topic
leap keys interface
Format
demo
Level
general
HN recommenders in dataset
2
HN mentions in dataset
12
Recommendation years in dataset
2014–2026

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • I had read a lot about the Cat, but never saw it in action, so I decided to look for a video. This is a fascinating view into Raskin's user interface concepts. The world might have been a very different place if Jobs hadn't interfered …

    fzzzy on Hacker News · 2016-09
    In Restoring YC's Xerox Alto: how our boot disk was trashed with random data
  • More on the Canon Cat: [LINK] [LINK] There are also a few previous HN discussions on this machine. EDIT: I just have to post this lovely scene from the original video separately. This is about human-computer interaction after all, isn't it! [VIDEO] Aren't we actually …

    marttt on Hacker News · 2020-01
    In Leap Technology (keyboard vs. mouse on a Canon Cat machine, ca 1987)

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.