In some ways, behavioral targeting -- the ability to serve online ads to visitors based on their viewing habits -- is seen as the ultimate in efficiency. But reach is still an issue.

Sports fans, especially those who indulge their jones online, are an alternately accepting and ornery lot. I'm one of them.

Here's how Google's "Universal Search"--combining information from videos, news, Web sites and other sources into one set of search results--redefines relevance.

Bonnie Taffer has spent 17 years at American Express, with a five-year interregnum in which she pursued several entrepreneurial opportunities, including founding and serving as CMO of a venture-funded media start-up based in New York.

Google has pulled out its full bag of tricks to help promote The Bourne Ultimatum, the third installment in the Bourne franchise opening August 3 and starring Matt Damon as an ex-assassin seeking his true identity.

E-mail marketing took a step toward greater unification in July through the merger of the Direct Marketing Association's Email Marketing Council and the newer Email Experience Council.

My 70-year-old mother can't activate a simple menu in Windows but she was flicking and poking, browsing and typing on my iPhone within minutes of picking it up.

In today's market, finding an experienced search marketer to fill a vacant position is a daunting proposition. The pool of available and appropriate candidates is minuscule, and the competition is fierce. One result: More direct marketers are being asked to oversee search without the proper knowledge or expertise.

JPMorgan Chase is back as exclusive credit card sponsor on Facebook after its freshman year on the social networking site. Chase kicked off a marketing initiative on Facebook in 2006 for its "+1" credit card, aimed at college students.

Since leaving Sprint Nextel last spring, mobile advertising vets John Styers and Pierre Barbeau have run their new consulting business, Moblico (a "mobile life company"), mostly under the radar. But here they talk about their new role as counselor to brands and agencies venturing into the space.