They're not really under big demand now really. Almost everyone who used Digg quit.
I can pretty much say that Digg will once again be popular when it's done being rebuilt. I don't know if you heard the news yet so check out this blog post.
Reddit and StumbleUpon. These two are my favorite and I regularly using these two sites to share my favorite bookmarks. Both have an unique concept and over a million of users. Reddit will warn you if you overly use it.
For marketing your website what is your favorite social network to use and what do you like about it? Why do you think that it's good? Looking forward to hearing what you think!
For marketing your website what is your favorite social network to use and what do you like about it? Why do you think that it's good? Looking forward to hearing what you think!
FYI, I just merged your thread with a similiar one.
I can pretty much say that Digg will once again be popular when it's done being rebuilt. I don't know if you heard the news yet so check out this blog post.