demo · HACKER NEWS RECOMMENDATION
Alto System Project: Dan Ingalls demonstrates Smalltalk
Computer History Museum · 3 HN recommenders · 4 recommendation months
Recommended by 3 Hacker News commenters across 4 months (2020–2025).
SignalTube analysis
Among 51 other demo videos tagged GUI, HCI & interface history, the mean is 1.5 distinct HN recommenders. This video has 3 distinct HN recommenders, about 2.0× that mean. Recommendations span 4 distinct months; the peer average is 1.7 months. This is a data-derived comparison, not a human review or quality rating.
44% of its 9 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2020–2025; those years describe discussion history, not upload date. Its verified runtime is 128 minutes 2 seconds. YouTube lists its publication date as 2019-03-12.
- Channel / speaker
- Computer History Museum
- Verified runtime
- 2h 8m 2s
- YouTube upload date
- 2019-03-12
- Hacker News mention years
- 2020–2025
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other demo videos in GUI, HCI & interface history. “Shared recommenders” counts HN users who recommended both videos in the source graph.
| Video | HN recommenders | Recommendation months | Positive label share | Shared recommenders | Runtime | Upload date |
|---|---|---|---|---|---|---|
| Alto System Project: Dan Ingalls demonstrates SmalltalkCurrent video | 3 | 4 | 44% | — | 2h 8m 2s | 2019-03-12 |
| The Mother of All Demos, presented by Douglas Engelbart (1968)demo · Marcel | 8 | 8 | 40% | No recorded overlap | 100m 53s | 2012-07-09 |
| Alan Kay's tribute to Ted Nelson at "Intertwingled" Festivaldemo · TheTedNelson | 7 | 10 | 55% | 1 (33%) | 17m 33s | 2014-11-01 |
| Ivan Sutherland Sketchpad Demo 1963demo · Interface Studies | 5 | 5 | 38% | No recorded overlap | 19m 20s | 2012-05-30 |
THREE SOURCE-BASED CONTEXT POINTS
Why Hacker News recommends it
Each note combines the dataset’s stance label and short rationale; comment bodies are not reproduced. Open the HN source for the original discussion.
The archive classifies this as a contextual reference in “The Mac calculator's original design came from letting Steve play with menus”. Its short rationale: the source snapshot has no short rationale for this mention.
The archive classifies this as a contextual reference in “Homemade polarimetric synthetic aperture radar drone”. Its short rationale: the source snapshot has no short rationale for this mention.
The archive classifies this as a strong recommendation in “Stop Writing Dead Programs”. Its short rationale: Smalltalk-76 on a restored Xerox Alto, impressive on limited hardware.