Activity Stream builds a lifestream for you by aggregating your social activities all in one place. 

Twitter,FlickrFacebook,Digg,Delicious,YouTube and more

Download module,

Http://drupal.org/project/activitystream 

and install into ../sites/all/modules

once installed then activate it.

Admin/sitebuildsing/modules/activitystream,  activate all modules and save

configurations. 

goto site configuration. and install username and password 

• Configure the stream's title
• Configure Username and Rss Feeds.
• Refresh Cron.php
• Add the activity screen in a block

Advance uses

• Views
• Direct Database queries 
• Extend activity Stream with the API.