Freedom - 12:46 am on Jun 16, 2011 (gmt 0)
I am seeing Google punish sites with new links but I think there is a thresh hold, but it's very low.
3-5 links a month,
Limit it to the domain name.
www dot bluewidgets dot com.
Everything else I've seen elsewhere, and experienced, get's you slammed really fast.
Just my experience, not saying it's a universal law. But I'm sticking to it.