A hot new ebook converter popped up
just over a month ago, and it turns out there's a problem with it.
Hamstersoft was hailed by all the tech blogs as this great new way to covert ebooks from one format to another. It had a simple interface, foolproof operation, and a lot of enthusiastic users.
Unfortunately, the Hamstersoft Ebook Converter is also a pretty egregious example of copyright infringement. According to John Schember (a calibre contributor) the Hamstersoft Ebook Converter uses large chunks of code from the calibre ebook library app and doesn't comply with certain GPL (GNU General Public License) conditions.
You can find the full details over on
John Schember's blog. It's technically complicated and quite long. You can also find a basic summary
here.