LinkedIn is a business-oriented social media website that allows users to connect with colleagues, clients, and find other business associates. It has over 120 million professionals from over 150 industries, including executives from every Fortune 500 company. The site is growing rapidly with 2 new members joining every second. LinkedIn can be used for networking, recruiting, managing your online reputation, marketing, and growing your business. The key is to build your professional profile, connect with others, and actively participate in order to reap the most benefits from the platform.