In CBS Test, Mobile Ads Find Users

From The New York Times - Pssst, hey you! There’s a cheap latte waiting at the coffee shop on the corner!

CBS plans to announce on Wednesday that it is trying one of the first serious experiments with cellphone advertising that is customized for a person’s location. Its CBS Mobile unit is teaming up with the social networking service Loopt, which allows its subscribers to track participating friends and family on their mobile phones.

The ads will appear on two Web sites that are tailored for mobile devices, CBS Mobile News and CBS Mobile Sports. | Read full article

Social Sites Don't Deliver Big Ad Gains

As Microsoft Corp. makes a $44.6 billion bet on Internet advertising with its unsolicited offer for Yahoo Inc., there are signs that some of the biggest new places where consumers are flocking on the Web -- social networking and video-sharing sites -- are yielding advertising revenue slower than some Internet companies had hoped.

The latest warning that the hottest Web properties are proving difficult to make money from came from Internet giant Google Inc. While announcing disappointing fourth-quarter earnings Thursday, Google executives said the company was having a harder time than it expected generating ad revenue on social-networking sites and ... | Read full article