| 2026-04-08 | Tagging symbols |
| 2026-01-04 | Parts of many online handles |
| 2025-11-30 | @ @ @ |
| 2025-11-10 | Mentions directly, on X |
| 2025-02-12 | Email signs |
| 2025-01-18 | They share keys with 2's |
| 2024-11-27 | @@@ |
| 2024-04-14 | Social media symbols |
| 2023-10-31 | @@@ |
| 2023-10-15 | Symbols in social media handles |
| 2023-07-11 | @ @ @ |
| 2023-05-02 | Symbols for tagging on Twitter |
| 2022-11-13 | Email symbols, informally |
| 2022-09-01 | Symbols used for tagging |
| 2021-01-24 | Symbols in Twitter handles |
| 2020-05-15 | Contact information symbols, nowadays |
| 2019-08-24 | Symbols seen in comic strip cursing |
| 2018-07-17 | @@@ |
| 2018-04-03 | Much-used Twitter symbols |
| 2017-02-26 | @@@ |
| 2016-07-05 | @@@ |
| 2015-09-27 | @@@ |
| 2015-05-01 | @ @ @ |
| 2015-02-06 | Cadillac model that debuted in 2012 |
| 2012-08-15 | Cadillac model unveiled in 2012 |
| 2009-10-18 | Symbols like @ |
| 1994-07-03 | Some PC's |