This is just an idea and as far as I know is not supported by any browser currently available.
Don’t you just get annoyed by all that “extra information” appened to the URLs?
http://active.tutsplus.com/articles/news/this-fortnight-on-twitter-and-google**?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed: Flashtuts (Activetuts+)**
That information can be a valuable resource for the site owners, but is worthless and just plain annoying for site users.
So, I propose, “uneccessary GET data” can be “hidden” by starting their key names with an underscore. The data will still need to be included in links, but the browsers will be smart enough to hide those extra tags from the user.
So, this:
http://active.tutsplus.com/articles/news/this-fortnight-on-twitter-and-google?_utm_source=feedburner&_utm_medium=feed&utm_campaign=_Feed: Flashtuts (Activetuts+)
Looks like this to the user:
Now who do I have to poke to get this idea somewhere? 
