While this site doesn't have a comment box (mainly because of spam, they require tracking users, and they don't work that well), there are numerous ways of communicating with me. Probably the easiest is just to email me:
There are also two social networks that I consider my “primary” one. Both of themes
In addition to the above, there are some social networks I'm on but I don't use frequently or only head over when I see a notification of a post or comment:
If you are less interested in following ad-hoc and random conversations, you might consider subscribing to my RSS feeds or subscribing to my newsletter.
Finally, there are a couple of locations that just have information about me but I don't update them other than providing the occasional information update: