According to data from eMarketer, US spending on Internet video advertising is expected to grow to $4.3 billion by 2011 - and is currently the fastest growing segment of online display advertising. Four industry experts share tips on how to get the most from your online video campaign.

Though direct mail has always been a reliable channel, personalized copy and unique offers can heighten response rates and improve ROI. Five experts offer tips on how to optimize your mail campaign.

The massive population of "echo boomers" means big opportunities for marketers - if you can reach them.

Direct and interactive tactics are helping videos become viral sensations.

Less than a year old, Facebook's Pages application allows brands to join the social networking masses - but can it be used as a DM tactic?

Working to improve your subject lines - and your test results - is an important ongoing task for e-mail marketers, say experts. Five industry pros share their top tips.

Digital agency Digitas recently enlisted Communispace, a company which creates private online communities to connect businesses and customers, to help optimize InterContinental Hotels Group's loyalty program through the power of consumer feedback. The responses have led to specific changes at IHG, including in their customer materials.

Partnering with interactive agency Acxiom Digital since 2005, Sephora has developed its Beauty Insider loyalty program from the ground up. Tiffany Lei, marketing director at Sephora, and Tim Suther, SVP of digital marketing services at Acxiom, recently took part in a conference call with DMNews' Mary Elizabeth Hurn to discuss the successful partnership and the challenges of bringing in-store experiences to the Web.

High-end American bicycle manufacturer Trek Bicycle Corporation recently ran an e-mail campaign promoting the company's updated Madone brand bike. DMNews' Kevin McKeefery gets the lowdown from Casey Kohner, e-commerce manager at Trek Bicycle, and DJ Waldow, e-mail marketing account manager at e-mail marketing firm Bronto Software about the campaign's success, the unique e-mail campaign structure Trek has built with its retailers, and the working relationship between Trek and Bronto.

Widgets — small, downloadable applications that can interact with the Web to be updated dynamically, for sports scores, weather reports or news — have been around for over three years now. As this timeline illustrates, they surfaced when Apple released its "Tiger" edition of OS X, the Macintosh operating system, which included a suite of widgets called Dashboard.