Providing a website, computer software, and online social and professional networking products and services that enable interactive employment advertising, recruiting, networking, searching, and posting in medical and healthcare professional markets, among others; Providing a website, software, and online social and professional networking products and services that enable registered users to post, publish, and share career and employment-related information, employment opportunities, curricula vitae, resumes, employment applications, recommendations, referrals, photographs, academic and professional research and articles, audio and video content, and other materials; Providing software and online social and professional networking products and services allowing users to communicate, collaborate, and network between and among themselves, including advertising and marketing channels to and among users