Firebug

Firebug is an awesome Firefox extension for web development that I've been late to discover. Recently I found out you could modify the source of a web page in place with the "Inspector" tool. It's handy for tweaking HTML/JS/CSS without having to redeploy/reupload/reload the page or whatever, and also helps when ordering wireless service from Cingular. I tried to get off a family plan and create my own account, but Cingular didn't want to let me register under a different zip code than my family's. The zip code was set in a readonly text input. Firebug allowed me to wipe the attribute, submit the form, and have it my way. Kind of like a disposable greasemonkey script. Never thought I'd use the extension in that context. Thanks Mr. Hewitt for helping me avoid make a call to Cingular support.