This summary provides an overview of best practices for using LinkedIn effectively based on a presentation by Lisa DiMonte. Key points include: - LinkedIn has over 2 million new members per month and is an important professional networking and marketing tool. - The presentation provides a case study and tips for completing your profile, connecting with contacts, engaging with groups, and setting goals to maximize your LinkedIn presence. - Specific action items are outlined, such as adding keywords, a professional photo, and summary, as well as connecting with contacts and joining relevant groups.