Ginny Cooper and Susan Simmons, the minds behind Cooper + Simmons Media Architects, believe in the "art and science" of media planning. Here, they discuss their approach.

Publishers have realized it's one thing to bring together hundreds of thousands of people to share videos. But it's quite another when you start trying to figure out how to monetize all that activity, says Kevin Sladek, chief strategic officer of San Francisco-based VideoEgg.

Keeping track of ad placements in a three-channel or even 57-channel universe was one thing.

The Internet has revolutionized direct-response advertising through the so-called lower funnel of Internet search, but the upper funnel of branded display advertising remains incredibly inefficient from a tracking perspective, especially when advertisers attempt to target the Web's "long-tail" sites not featured on comScore or Nielsen.

As heavyweights from Yahoo to Microsoft jump into mobile search, one start-up is already turning cell phones into pocket shopping guides.

In theory, optimizing keywords doesn't sound complicated.

At newspapers across the country, reporters are being turned into videographers in an effort to keep online newspapers awash in video.

The era of online movie distribution has arrived.

With 200 million U.S. subscribers and household penetration already around 70 percent, the wireless industry's marketing challenge is complex.

Imagine an active online focus group that operates in 3-D - one in which group members experience a product in real time, talk to each other, and leave and return at will, perhaps coming and going for months, all the while spreading the word about a marketer.