In this post, Bill Rice provides sales people with 10 principles for using social media in sales, from setting objectives and listening to creativity and tools to improve social media efficiency. Mark Price summarizes a Fast Company case study on how restaurant chain Houlihan’s engaged their best customers through some exclusive social media programs to increase sales and profits, and what other social media marketers can learn from the chain’s experience. Note: most are fee-based, but worth the cost for midsized to large enterprises active in social media marketing.