At the bottom of every page here at iHub is a link:
iHub FAQ
click on that and you'll see answers to many questions.
Filtering is a way to "ignore"
for example:
if you didn't want to see anymore posts by no3putts1 you would click on my profile and you could filter me and you would not see any posts . You can also block someone from sending you private messages. There are alot of great feature's here! Check out the FAQ