Visitas Thinks Big 2019 - Harvard University

by CS50 · 4 videos

Total watch time

1h 16m

at 1× speed · exactly 1 hour, 16 minutes, 27 seconds at 1×

custom

1×	1h 16m 27s
1.25×	1h 1m 10s
1.5×	50m 58s
1.75×	43m 41s
2×	38m 14s

Average video19m 7s

Longest22m 15s

Shortest17m 11s

Compare Open on YouTube JSON

Plan to finish

About 2 days at an hour a day

Pick a daily pace and the days you'll watch. Ticked videos are skipped.

At one hour a day, every day, this playlist takes about 2 days. Turn on JavaScript to plan around your week.

Videos (4)

1h 16m in total · tick what you've watched

Tick videos you've watched — progress is saved in this browser.


1	Robert Lue - Visitas Thinks Big 2019 - Harvard University	17:11	2019-04-30
2	Melissa Franklin - Visitas Thinks Big 2019 - Harvard University	19:46	2019-04-30
3	Robin Kelsey - Visitas Thinks Big 2019 - Harvard University	17:15	2019-04-30
4	David J. Malan - Visitas Thinks Big 2019 - Harvard University	22:15	2019-04-30

Embed a badge

Show the watch time in a README or course description — it links back here and updates itself

Markdown

[![Watch time: 1h 16m · 4 videos](https://playlistduration.com/badge/playlist/PLhQjrBD2T383vMIaxQT6MfFbwZhznd_Mz.svg)](https://playlistduration.com/playlist/PLhQjrBD2T383vMIaxQT6MfFbwZhznd_Mz)

HTML

<a href="https://playlistduration.com/playlist/PLhQjrBD2T383vMIaxQT6MfFbwZhznd_Mz"><img src="https://playlistduration.com/badge/playlist/PLhQjrBD2T383vMIaxQT6MfFbwZhznd_Mz.svg" alt="Watch time: 1h 16m · 4 videos" width="196" height="20"></a>

Add ?speed=1.5 to the image URL for the time at that speed, ?label=Course to change the left text, or ?style=flat-square for square corners.

Want the numbers themselves? GET https://playlistduration.com/api/v1/playlist/PLhQjrBD2T383vMIaxQT6MfFbwZhznd_Mz returns them as JSON — free, no key. API docs →

Data from the YouTube Data API as of 2026-09-22 (cached). Private or deleted videos are excluded from totals.