Twitter Ads: The Basics
Primer on Twitter Contests
Detecting and Defending Against Third-Party Tracking on the Web Franziska Roesner, Tadayoshi Kohno, David Wetherall April 26, 2012 NSDI.
Social Media Terms Definitions & Model
Advanced Keyword Research
UPDATED: Social Media Terms Definitions Model Final
Facebook Advertising: The Basics
Web Analytics
Upshare deck-science