Finding new customers is the greatest business challenge for small businesses, according to a February 2011 survey by Bredin Business Information, and small businesses are turning to a wide variety of online marketing channels to do so. Small-business owners were most likely to say they used websites to find new customers (85.8%), followed by email and search marketing, each used by about three-quarters of respondents. Notably, every online marketing channel showed a dramatic increase in usage between 2010 and 2011. With a confidence interval of ±5%, the survey results can be used directionally to indicate a great level of experimentation among small businesses using digital marketing, according to Bredin. Get the full story at eMarketer