Sharing URL’s have been shortened further, you can continue to use the http://www.mediafire.com/?sharekey=<key> or shorten those URL’s to http://www.mediafire.com/?<key>.
File Updates arrives! You can now update an existing file/url with a new file without having to change the original URL. This is great if you need to update a file but don’t want to repost a new URL. It can be accessed from your MyFiles page. The files must have the same extension. More below:
Example of an actual update: