DAVID GREENE, HOST: NPR's business news starts with targeted advertising.</s>DAVID GREENE, HOST: Twitter has decided to allow advertisers to target their customers. However, unlike Facebook and Google, Twitter will allow its users to opt-out if they're concerned about privacy. Still, the company is projecting ad revenues of a half-billion dollars this year and double that in 2014.
Unlike Facebook and Google, Twitter will allow its users to opt out if they are concerned about privacy. The company is projecting ad revenues of $500 million this year, and double that in 2014.