The New York Times Online has started selling packages of ads that appear specifically for visitors who arrive through social media such as Twitter and Facebook. Advertisers can buy certain shares of such readers, typically around 25%, so a page receiving a million visitors via social media would show a participating marketer's ad to 250,000 of them.

via Twitter: News Publishers Want Money From Tweets – Advertising Age – MediaWorks.

http://static.zemanta.com/readside/loader.js