Useful.

communication

enThis user is a native speaker of the English language.
es-3Este usuario puede contribuir con un nivel avanzado de español.
la-1Hic usor simplici latinitate contribuere potest.
fr-1Cet utilisateur peut contribuer avec un niveau élémentaire de français.
he-1
משתמש זה יכול לתרום ברמה בסיסית של עברית.‏

technopathy

This user contributes using Firefox.
HTML-3This user is an advanced HTML user.
C-2This user is an intermediate C programmer.
css-1This user is a beginning Cascading Style Sheets user.

user

B
This user attends or attended Bowdoin College.
R This user is a Ravenclaw.
This user enjoys reading anything.
This user is Jewish.
God made this user an atheist. Do you question his wisdom?
DSAThis user attends or attended Denver School of the Arts. Go White Siberian Tiger!

writing opinions

its & it'sThis user understands the difference between its and it's. So should you.
A, B, and CThis user prefers the serial comma.
. TheThis user does not put two spaces after a full stop.
This user is addicted to ellipses and has been known to use them indiscriminately...

fandom

DWThis user is a Time Lord
fireflyThis user is a Browncoat.
A carThis user's other car is a TARDIS.The TARDIS
The TARDIS, from Doctor WhoThis user is a Doctor Who fan.
HPThis user is a participant in the
Harry Potter Task Force.

music

This user plays the trombone.
60sThis user is a fan of Sixties music.
This user enjoys klezmer.

miscellaney

This user listens to NPR.
This user is informed by The New York Times.

science!

This user understands biological evolution.
| I | N | T | E | G | R | A | L | S |

My antiderivative

This user misses Pluto. May its planethood rest in peace.
This user has been touched by His Noodly Appendage.