social bookmarking-go and get your code

Earlier bloggers had to put so many icons on their webpage creating a group of social bookmarking sites.But now,you can access all those sites in a click of single button.
Now everyone who wants to have traffic on their website is focussing on social bookmarking widgets.
this is creating wonders for sites like digg and stumble upon and bringing riches to them.
ex-share this, i think it is the best social bookmarking widget.