| Clue | Source | Date |
|---|---|---|
| Early smartphones | ||
| BlackBerry-like phones | ||
| Devices from Palm that competed with BlackBerries | The Chronicle of Higher Education | 30 Nov 2018 |
| Devices from Palm that competed with BlackBerries | ||
| BlackBerry alternatives | The Chronicle of Higher Education | 17 Nov 2017 |
| BlackBerry alternatives | ||
| Erstwhile Palm PDAs | ||
| Palm products | ||
| Palm smartphones | ||
| Alternatives to iPhones | ||
| Some PDAs | ||
| BlackBerry alternatives | ||
| Palm readers? |