The Ticker: Arrington, fired; Monica Lewinsky; Search marketing tips; Social effectiveness

Fortune’s Term SheetExclusive: Arrington out at AOL (for real this time)

Gawker: Monica Lewinsky Wants to Go Into PR

AllTwitter: Is Social Media Marketing Effective? [INFOGRAPHIC]

Econsultancy: 50 search marketing tips for beginners

10,000 Words: Why You Should Not Use Third-Party Apps for Facebook Posting