| Clue | Source | Date |
|---|---|---|
| Pitching battles? | LA Times Daily | 12 Jan 2025 |
| Mac-versus-PC and others | New York Times | 04 Aug 2021 |
| Samsung-versus-Apple and others | ||
| Samsung-versus-Apple and others | New York Times | 06 Dec 2019 |
| Some October campaigns | LA Times Daily | 17 Jan 2015 |
| Some October campaigns | ||
| Televised fights? | ||
| Mac-PC battles, e.g. | ||
| Mac-PC battles, e.g. |