| Clue | Source | Date |
|---|---|---|
| Zoom frustrations | LA Times Daily | 11 Dec 2021 |
| Problems with glitchy livestreams | New York Times | 28 Oct 2019 |
| Problems with glitchy livestreams | ||
| Intervals between causes and effects | LA Times Daily | 18 May 2015 |
| Intervals between causes and effects | ||
| Intervals between related events | ||
| Intervals between related events | ||
| Delays | ||
| Delays | ||
| Cause and effect separators |