I am still at pagerank zero, even if I am doing everything

I am still at pagerank zero, even if I am doing everything to create fresh content and a navigable site. Is it possible that some blackhats (mainly business "enemies" are trying to sink my site with deceptive tecniques?
thanks in advance
n
Posted by ndv at 2006-09-22 06:41:13
Commented on
My Google PageRank Increases to PR5