Are you a web developer? Do you work in different environments (develop, stage, live)?
Frame! your hosts
This is a multi browser extension that grants you the power to add a visual indication of what environment you are working in, without having to modify anything on the server. This extension supports browsers * Chrome * Firefox * Opera
As a web developer you usually end up with a bunch of different environments that can be hard to keep track of easily.
Dev, stage, live, production, experimental, temporary... The list goes on.
What I've done to try and at least give you a chance of quickly determining what host you are actually doing your changes in, is to create a multi browser extension that draws a border around the edges of your browser for the hosts you want to keep track of.
You can read my blog post about it, or jump straight into the extensions:
Maybe this was inevitable: A team of mathematicians have worked out the most efficient pub crawl in the United Kingdom, connecting 24,727 pubs in the shortest possible closed loop, 45,495,239 meters, or about 28,269 miles. Because it’s a loop, a determined crawler can start at any point and eventually find himself back home. Despite the pickled application, this represents a serious achievement in computational mathematics, an advance in the so-c...