Lessons from McDonald’s, Top 50 Influences, and the Social Media Payoff

5 biggest mistakes companies make in social media marketing (ClickZ)

McDonald’s social media lesson: critics Tweet back (Entrepreneur)

Social media firms to Google: ‘Don’t Be Evil’ (NPR)

Who are the top 50 social media influencers? (Forbes)

What will social, local and mobile integration really look like? (B2C)

Enterprise 2.0 payoffs: sales, innovation, knowledge sharing (InformationWeek) 

Social media okayed by the pope (TIME)

Engage on community Facebook pages, not just your page (Steve Buttry)

Get more from Wikipedia: 10 tips and tricks (Mashable)