The best way to contact Nobilis is via email, at authornobilis@gmail.com.
Nobilis is often available on GoogleTalk, and can sometimes be found on Second Life as "Nobilis Atansoff"
Nobilis is also on Twitter and Stickam. When you introduce yourself, mention whether you're a listener or a reader or whatever.
There's also the forum right here on this site.Create a free website at Webs.com