Just as in real life, the inhabitants of Westeros during the time frame of the TV series do not possess an objective record of history. History tends to be more accurate the closer it is to the present, but largely in the sense that fables and half-myths tend no longer to be included.
A newsgroup is an online discussion forum accessible through Usenet. Each newsgroup contains discussions about a specific topic, indicated in the newsgroup name. You can browse newsgroups and post or reply to topics using a newsreader program. Access to newsgroups also requires a Usenet subscription.
The file extension NWS is known as Windows Live Mail Newsgroup File which was developed by Microsoft. It is a file format used by Windows Live Mail, Outlook Express and Microsoft Mail. It stores newsgroup posts and is usually saved together with .eml files.