Lindsay Manfredi's company Linzstar Inc is an interactive marketing firm that helps small and medium businesses improve their social media strategies. The presentation covers the growth of major social networks like Facebook, Twitter, YouTube, Google+, and LinkedIn. It discusses whether businesses should have separate business and personal social media profiles. The presentation emphasizes that blogging is important for search engine results and that social media is personal so users should avoid posting anything unprofessional or inappropriate that could damage their reputation or career prospects. It encourages open discussion and asks for any questions.