According to Mike Proulx (Executive VP-director of Digital Strategy), social media marketing is also known as advertising. Social media marketing is also called paid marketing, as brands have to pay for showing the messages to target audience. Dick Costolo (Twitter), say that out of 20 tweets 1 is an advertisement. Brands are using social media for marketing as it more automated, targeted, instant, shareable and optimized. There are several ways to use social media marketing for advertising which are as follows:

• Open your wallet
• Play Blackjack
• Show Restraints
• Measure what matters
• Connect the dots
Read more at: http://adage.com/article/digitalnext/social-media-advertising/297841/