Facebook and Twitter, the most popular social marketing network, both are very audience–specific.
Social media industrialists are constantly quarreling about which platform is most significant for their business marketing.
Twitter and Facebook have helped businesses touch new pinnacles of reputation and branding. Both networks offer a unique way for businesses to market themselves to users, and offer first line customer support.
Here is an Infographic from DSIM that explains comparison between Facebook and Twitter platform offers to the marketers.