Mr. Dunbar told him that social networks resemble a set of concentric circles: 150 people constitute the outer boundary of friends, 50 is the limit for trusted friends, 15 for good friends, and 5 for best friends.
Among the plethora of social networks, Facebook, with more than 900 million active monthly users, might represent the biggest marketing opportunity for companies large and small. But marketers who think that creating a Facebook page and walking away is enough should think again. From advertising opportunities to finding new customers, a lot goes into successful Facebook marketing.
June 18, 2012 So you're running a small business and you've got the basics of social networking mastered: You frequently tweet, you've created a venue on Foursquare and your Facebook Page is a work of art. How do you move to the next level of social marketing mastery?