SMM means Social media marketing.

StumbleUpon
Delicious
Digg
Twitter
StumbleUpon

-Digg
-Delicious
-yoomark
-yemle
-dzone
-reddit
-yemle
-youmob

thank you for al your reply. i helped me a lot

Digg
Delicious
Pinterest
StumbleUpon

Reddit
StumbleUpon
Delicious
Digg

these are side is very old and everybody knows that site so please share new which is hidden thanks...

Yes, these are good. Thanks..

There are some best bookmarking sites:like as
(1)stumbleupon.com
(2)reddit
(3)bibsomomy
(4)url.org
(5)delicious
(6)pintrest
(7)folked
(8)blinklist
(9)slashdot
(10)fark.com
(11)twitter.com
which is the top most popular bookmarking sites

Best Bookmarking site

facebook
Twitter
linkedin
Reddit
StumbleUpon
Delicious
Digg
diigo

These are popular ones and we all know about them...

Best Bookmarking sites

Digg
StumbleUpon
Twitter
linkedin.com
reddit
Delicious
diigo.com
google.com/bookmarks
dealigg.com
slashdot.org

Social Bookmarking is the best way to getting a website traffic and help to increase your websites PR in SERP
delicious
twitter post
stumbleupon post
blink list
folkd
url.org
reddit
Bibsonomy
Pinterest, which is some best bookmarking sites in increase your websites traffic and PR.

Best Bookmarking Sites:
1. Chime
2. Delicious
3. Diggo
4. reddit
5. Design float
6. Stumble Upon
7. Slashdot

Thanks for your information. Recently I have created a my site name http://tanimsghostgossips.blogspot.com/ but i do not get much visitor from my site. please help
here is my site http://tanimsghostgossips.blogspot.com/ . I did bookmarked my site in 30+ bookimark site.