If you're planning to advertise to eager Black Friday shoppers, this article from eMarketer urges you to go online. Last year, the use of Black Friday websites skyrocketed as after-Thanksgiving shoppers sought the advanced copies of retail circulars published by sites like Black Friday Ads. Thanks to the additional information they're consuming, Maritz Research found that Black Friday shoppers will be spending about $160 more than the average consumer this holiday season. "It's no secret that Black Friday shoppers are looking for discounts, and retailers have already started slashing prices--earlier than ever before," said Gloria Park Bartolone, vice president at Maritz.