In the right top corner of my Gmail interface, Gmail shows the address of the current user logged in to the system. How can I remove this text? Just blank it off or write something else.

Any tips?

Look at my screenshot to get the idea of what I mean:
http://home.no/waterboydk/gmail_email.png

?Why? would you like to remove it?

Technically not impossible; just write a short JavaScript program that scrapes off the screen and blanks its first segment. The address token is contained within this unique regexp sequence in the source code [sed demo syntax]

s/Options</h2><b>[A-Za-z0-9-*][.*]</b> /Options</h2><b>********2</b>/g

(If wrapped in a bookmarklet you'd have to invoke it manually, however. I don't know how one could automate it to execute after each Gmail page refresh, fetch etc.)

ADMINISTRIVIA: Blogoscoped Forum's posting robot eats up backslashes "\" therefore the above regexp code came out incorrect. Close your eyes, lie back and think of England.

Try this script (install Greasemonkey first):

http://userscripts.org/scripts/show/74304

Chitu: Thanks for the Greasemonkey tip. It was just a solution like that I was searching for. Google search didn't help me out.

ianf: Because I don't want my employer to see my private e-mail, when he looks over my shoulder sometimes.

You could also try a user stylesheet, and add something like (untested):

#guser b { display: none; }

Different browsers allow different ways to edit the user stylesheet, for Firefox there are also Greasemonkey scripts to handle them. http://userstyles.org

I'm just mentioning above approach in case you often want to change minor layout details on a site... for the above request, Ionut's solution is perfect already.

Thanks for that tip as well. I think I'll just stick with the Greasemonkey solution. Thanks again everybody.