Hello Interview

Low-Level Design Interview: Design Connect Four with an Ex-Meta Staff Engineer

Published 1 Jan 2026 · 28 daily observations recorded · last updated 2026-09-29

Views
57,574
Avg views / hour
8.9
since publish (lifetime average)
Recent velocity
9.3
+224 views over 24h (2026-09-28 → 2026-09-29)
vs channel baseline
—
Channel median
—

Recent growth

Last 7 days
+1,458 views
measured 2026-09-22 → 2026-09-29 (168h)
Last 30 days
+6,830 views
measured 2026-08-27 → 2026-09-29 (792h)

Performance history

Every observation TubeSum recorded, plotted as measured.

Views over time — 28 observed points, 47.6K to 57.6K views 0 20.2K 40.3K 60.5K Aug 4, 2026 · 47,630 views Aug 5, 2026 · 47,736 views Aug 7, 2026 · 48,073 views Aug 10, 2026 · 48,452 views Aug 17, 2026 · 49,403 views Aug 27, 2026 · 50,744 views Sep 1, 2026 · 51,777 views Sep 4, 2026 · 52,432 views Sep 7, 2026 · 53,057 views Sep 11, 2026 · 53,963 views Sep 12, 2026 · 54,154 views Sep 13, 2026 · 54,290 views Sep 14, 2026 · 54,539 views Sep 15, 2026 · 54,790 views Sep 16, 2026 · 54,984 views Sep 17, 2026 · 55,300 views Sep 18, 2026 · 55,522 views Sep 19, 2026 · 55,631 views Sep 20, 2026 · 55,756 views Sep 21, 2026 · 55,972 views Sep 22, 2026 · 56,116 views Sep 23, 2026 · 56,328 views Sep 24, 2026 · 56,511 views Sep 25, 2026 · 56,728 views Sep 26, 2026 · 56,888 views Sep 27, 2026 · 57,121 views Sep 28, 2026 · 57,350 views Sep 29, 2026 · 57,574 views Aug 4 Sep 15 Sep 29

Based on 28 observations · last observed Sep 29, 2026 · straight lines connect consecutive observations — TubeSum does not measure the days between them.

All observations

The same points the chart plots, as exact numbers. Gaps mean no observation was taken that day.

Date Views Avg views / hour Channel median
2026-09-29 57,574 8.9 —
2026-09-28 57,350 8.9 —
2026-09-27 57,121 8.9 —
2026-09-26 56,888 8.9 —
2026-09-25 56,728 8.9 —
2026-09-24 56,511 8.9 —
2026-09-23 56,328 8.9 —
2026-09-22 56,116 8.9 —
2026-09-21 55,972 8.9 —
2026-09-20 55,756 8.9 —
2026-09-19 55,631 8.9 —
2026-09-18 55,522 8.9 —
2026-09-17 55,300 8.9 —
2026-09-16 54,984 8.9 —
2026-09-15 54,790 8.9 —
2026-09-14 54,539 8.9 —
2026-09-13 54,290 8.9 —
2026-09-12 54,154 8.9 —
2026-09-11 53,963 8.9 —
2026-09-07 53,057 8.9 —
2026-09-04 52,432 8.9 —
2026-09-01 51,777 8.9 —
2026-08-27 50,744 8.9 —
2026-08-17 49,403 9.0 139,792
2026-08-10 48,452 9.2 139,792
2026-08-07 48,073 9.2 139,792
2026-08-05 47,736 9.2 139,792
2026-08-04 47,630 9.2 139,792

Content analysis

Transcript, chapters and structure for this video live on its analysis page — performance and content are separate documents on TubeSum.

Read transcript & analysis →