| Clue | Source | Date |
|---|---|---|
| Doesn't fill, as calendar slots | The Washington Post | 28 Mar 2021 |
| Doesn't fill, as calendar slots | LA Times Daily | 28 Mar 2021 |
| Can switch to, as a browser tab | Universal | 20 Apr 2020 |
| Can offer, as a time slot | Newsday | 08 Mar 2015 |
| Can offer, as a time slot | ||
| Didn't fill yet, as calendar slots | ||
| Keeps available, as schedule slots | ||
| Keeps available, as schedule slots |