 | This user is a scientist. |
| This user is a chemist. |
 | This user is a physicist. |
 | This user contributes using Linux. |
 | This user can program in Python. |
| mu-4 | This user plays music at a moderately high level. Thought to be a fairly good Musician. |
| TCP/IP | The user was active on the Internet before the World Wide Web was invented. | WWW |