sites where you can generate incoming links

hi here are the list of sites where you can generate incoming links
-blog network
-press releases
-RSS feeds
-social networking
-article submission sites
-participating in forums

feel free to add..

Great!

well i dont think there's anything else except this which can generate good links as well as good traffic...
Hmmm... i would add one more technique .. but it would be a sort of gray hat to some extent...
Link wheel!! :)