The number of Winny nodes is not decreasing, rather it is increasing

In the public, even the government appealed the risk of spill by Winny, but it became a good advertisement, and it became clear that the number of users steadily increased.

As of February 2006, it was 400,000 nodes on weekdays, from 440,000 to 490,000 nodes as of April.
As of February 2006, the holiday was 500 thousand nodes, as of April it changed from 500 thousand to 530 thousand nodes.

[Transition of Number of Winny Nodes] | One Point Wall
http://www.onepointwall.jp/winny/winny-node.html

Since the risks related to the use of Winny are summarized in the "Cabinet Secretariat Information Security Center" of the government, we would like to appeal the use prohibition at workplace, school, etc. If you do not find any good material, please use it How about it, because PDF files are also included, it may be good to print and distribute ....
About countermeasures against information leakage by computer virus infected via Winny
http://www.bits.go.jp/press/inf_msrk.html

Data 1 What is information leakage by using Winny which is frequent recently PDF
http://www.bits.go.jp/press/pdf/cpt/msrk01.pdf

Reference 2 Typical example of information leakage that you do not remember PDF
http://www.bits.go.jp/press/pdf/cpt/msrk02.pdf

Document 3 Threat of Computer Virus (Antinny) PDF
http://www.bits.go.jp/press/pdf/cpt/msrk03.pdf

Document 4 Are you OK? (Now you can self-check) PDF
http://www.bits.go.jp/press/pdf/cpt/msrk04.pdf

Reference material Link reference PDF
http://www.bits.go.jp/press/pdf/cpt/msrk05.pdf

How to detect / delete Winny and Antinny PDF etc.
http://www.bits.go.jp/press/pdf/cpt/msrk_ad.pdf

At the end of the phrase Today, even if you share the file sharing software "Share" different from Winny, the information for 65,000 people of Mainichi Newspaper leaked, there is nothing I can do.

Asahi.com: Mainichi Newspaper readers and other information leaked for 65,000 people - Society
http://www.asahi.com/national/update/0427/TKY200604270212.html