The idea came to me as I was putting together this website. I started this last week, and as I was writing my first blog entry on choosing a game development platform I realised that I would always have a problem, no matter which spelling convention I adopted (EN-GB as I normally would or EN-US as most of my audience are likely to expect), somebody would probably complain. People using Commonwealth English like to see "ou" in their words for example where as people in the US and Canada like to see just "o". I've found that people can get very irate about this.
"Colour", "valour", "centre", "leapt", "whisky", even somewhat fittingly "localise"; these are all examples of common words that English speakers around the globe spell differently depending on where they live.
I've written this article using "EN-GB", but hopefully you should see all these words spelt as you are used to seeing them, and that's because EnglishJS is running on this site right now, checking which country you're in and altering the spelling accordingly.
You can use the buttons below to switch between the EN-GB and EN-US to try it out.