Digital marketing innovations that enhance consumer engagement discusses three initiatives by Dell to engage customers: 1) Ideastorm, a website where customers generate and vote on ideas with over 13,500 ideas and 400 implemented, 2) Twitter, where Dell has over 1 million followers and generates $9M in revenue, 3) Dell Swarm, a social shopping experiment where prices decrease based on group commitments, currently piloted in Singapore. The document advocates for social media being integrated across business functions and outlines frameworks for evaluating online conversations and responding to blogs.