My PC freeware program to easily delete Kindle notices is now in general no-longer-beta release. Here's what you will see on the PC side if you try it:
The automated modes seen above are all optional. It is almost as fast just to bring up the Windows form when unneeded notices accumulate, and click Delete Notices Now.
The purpose? If you have a 3G Kindle, and download a lot of Calibre news sources and/or public library books, you will know. If not, pictures on my web site make clear what this is for:
https://sites.google.com/site/kincleaner/
Here is a version of the above web link massaged by readingthenet.com and thus more suitable for reading from your Kindle:
http://tinyurl.com/7873oon
Suggestions for new or improved features are welcome.