SEO Samba is featuring a Twitter contest and the winner receives a free pass to attend SES New York! 
Details featured here: http://cli.gs/social-marketing

 

Register now for SES London 2012, the Leading Search & Social Marketing Event, taking place 20-24 February, 2012. SES Conference & Expo features presentations and panel discussions that cover all aspects of search engine-related promotion. Hurry, early bird rate expires February 3!