LinkedIn
The only Social Network I am active on. Please feel free to contact me there, referring to my website to avoid me trashing junk mass invites.
Twitter
Some headlines of my thoughts, articles links and retweets.
FaceBook
I am NOT subscribed to FaceBook.

E-Mail address s.zdrojewski@en3py.net
Not much to say. A quite strict Anti-Spam and E-Mail usage policy (CommTouch) by Watchguard XTM AntiSpam device.
MSN Messenger en3py@hotmail.com
My MSN account.
Skype Nickname enthropy
Skype account, usually available only on-demand.