What works on Facebook, Twitter, and social media?

What’s Working for Social Media Marketers?
http://www.emarketer.com/Article.aspx?R=1007449

What are the most effective social media marketing techniques?

The most common marketing tactic used on Facebook was attempting to drive traffic to corporate materials through status updates, followed by friending customers.

But the most effective tactic for consumer-oriented companies was creating a Facebook application, which was done by less than one-quarter of total respondents. Both B2B and B2C companies also reported surveys of their fans as effective; fan surveys were the third-most-common tactic attempted.

...B2C marketers had the most success with monitoring Twitter for PR problems (done by one-half of all respondents) and contacting users who posted negative comments about their brand (done by only 22.4% of total respondents). B2B companies also succeeded with brand monitoring, as well as with using Twitter invites for in-person events (the least common tactic of all).

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