The document provides 10 facts about why and how consumers engage with organizations through email and social media. It finds that while most people still primarily access email from computers, younger consumers under 30 are more likely to use mobile devices. It also finds that consumers primarily opt-in to email lists and like Facebook pages for discounts, promotions, and exclusive content, but will unsubscribe/unlike if they feel over-communicated with or content becomes irrelevant. Maintaining relevance and limiting frequency are key to keeping audiences engaged.