http://www.reddit.com/user/Plasma_E/ (where your own username replaces 'Plasma_E')
If you get something like this,
|Finding that your posts to Reddit get no responses?|
You've probably been 'shadow-banned'.
then welcome to the club! It means that you have been 'shadow banned' as they call it. Read more about it here and here.
They won't actually tell you about it. It seems to be working as normal to you. You just waste all your time contributing to a supposed 'community' administered by a bunch of tyranical non-democratic spoil-sports and all your efforts are invisible.
It seems easy to get banned, even if you post items from a wide range of sites, and even if the rules of Reddit are deliberately unclear
Tell your friends about it!
Reddit is not all it claims.