| Clue | Source | Date |
|---|---|---|
| Dispatchers | The Telegraph Quick | 28 Sep 2024 |
| People mailing letters | Newsday | 26 Aug 2024 |
| Those mailing, transmitting signals (7) | ||
| Some UPS Store customers | LA Times Daily | 21 Jun 2024 |
| Email users | Thomas Joseph | 26 Dec 2023 |
| Stamp users | Thomas Joseph | 08 Feb 2023 |
| Texters, at times | Universal | 30 Dec 2022 |
| Postal parties | Wall Street Journal | 05 Nov 2022 |
| People mailing letters | Newsday | 18 Oct 2022 |
| Emailers | LA Times Daily | 04 Jan 2019 |
| Emailers | The Washington Post | 04 Jan 2019 |
| Emailers | ||
| Postal Service patrons | Newsday | 20 May 2018 |
| Mail parties | Wall Street Journal | 16 Jun 2016 |
| Info on cover sheets | New York Times | 28 Aug 2015 |
| Info on cover sheets | ||
| Post-office clientele | ||
| Things are often returned to them | ||
| UPS Store clients | ||
| UPS Store clients | ||
| Mailers | ||
| Mailers | ||
| Wire sources | ||
| Return addressees | ||
| Shipment supervisors | ||
| Return recipients | ||
| They transmit | ||
| Fax originators | ||
| Transmitters | ||
| Transmitters | ||
| Mailers | ||
| FedEx Office clients | ||
| Radio operators. | ||
| Radio transmitters. | ||
| Telegraphers. | ||
| Dispatchers. | ||
| Transmitters. |