Social media plays an important role in how consumers discover, research, and share information about brands and products. In fact 60 percent of consumers researching products through multiple online sources learned about a specific brand or retailer through social networking sites. Active social media users are more likely to read product reviews online, and 3 out of 5 create their own reviews of products and services. Women are more likely than men to tell others about products that they like (81% of females vs. 72% of males). Overall, consumer-generated reviews and product ratings are the most preferred sources of product information among social media users.

Research shows that social media is increasingly a platform consumers use to express their loyalty to their favorite brands and products, and many seek to reap benefits from brands for helping promote their products. Among those who share their brand experiences through social media, at least 41 percent say they do so to receive discounts. When researching products, social media users are likely to trust the recommendations of their friends and family most, and results from Nielsen’s Global Online Survey indicate that 2 out of 3 respondents said they were either highly or somewhat influenced by advertising with a social context.

Social Media also plays a key role in protecting brands: 58 percent of social media users say they write product reviews to protect others from bad experiences, and nearly 1 in 4 say they share their negative experiences to “punish companies”. Many customers also use social media to engage with brands on a customer service level, with 42 percent of 18- to 34-year-olds acknowledging that they expect customer support within 12 hours of a complaint.

On the flip side, another interesting trend is the interest of consumers to act as ambassadors and advocates for brands through social media. A majority of active social networkers (53%) follow brands. These brands are increasingly recruiting their fans and followers to spread word-of-mouth recommendations about their products and services, and among consumers who write product reviews online, a majority say their share their experiences to “give recognition for a job well done” by the company. Social media users are also interested in collaborating with their favorite brands, with 60 percent of 18- to 34-year-olds saying they want to give product improvement recommendations, and another 64 percent who want to customize their products.

Nielsen’s holiday retail forecast predicts a 4.7% gain in dollar sales over 2007.  Unit sales, however, are expected to be virtually flat (-0.8%) versus a year ago.

The forecast includes projected sales at food stores, drug stores, mass merchandisers, and convenience stores, across 125 product categories tracked by Nielsen.

With the economy in turmoil, the 2008 holiday season will be closely watched for indications of declining consumer spending.  Declines in consumer spending were last recorded in the fourth quarter of 1991, during the recession of the early 1990s.

Go behind the numbers: read NielsenWire’s Q&A with James Russo, co-author of Nielsen’s holiday retail forecast.

View in depth data on holiday retail sales projections and consumer spending expectations.

View the full press release.

Read coverage of Nielsen’s findings in Convenience Store News and Adweek.

Submit questions about the report to Nielsen forecast co-authors, James Russo and Todd Hale, by commenting below.

But while mobile media use has grown rapidly in recent years, mobile advertising has been slow to take hold, Nielsen Mobile reported in a white paper released Tuesday.

In the U.S., some 76.8 million mobile users recall seeing advertising on their phones, according to Nielsen, but 63% report encountering mobile ads only infrequently — once a month or less.  Meanwhile, less than two-thirds of website homepage page views feature mobile advertising.

Lack of awareness of the size of the U.S. mobile audience, the complexity of the mobile marketing ecosystem, and advertisers’ reluctance to invest in mobile advertising are among the key factors restricting mobile ad growth, Nielsen’s analysts note.

View the full white paper.

Read MediaPost’s coverage of Nielsen’s findings.

Learn more about the outlook for mobile advertising – check out VentureBeat’s Q&A with Nielsen’s Senior Vice President of Mobile Media, Jesse Goranson