The webinar 'LinkedIn 101 for Nonprofits,' presented by Bryan Breckenridge on February 12, 2014, emphasizes the importance of LinkedIn as a professional networking tool for nonprofits, encouraging them to strengthen their brands and connect with supporters. The session covers strategic networking, building a professional online presence, and offers tips for leveraging LinkedIn to recruit volunteers, board members, and donors. Key advice includes creating a complete profile, showcasing organizational values, and actively engaging with the LinkedIn community.