Online social networks are becoming a true growth point of the Internet. As individuals constantly desire to interact with each other both in business and in personal contacts, the ability for the Internet to deliver this networking capability grows stronger and stronger. There are a number of excellent resources available to anyone interested in becoming part of the online social networking community of the Internet. I have listed and briefly annotated a number of resources and sites that will start you on your knowledge discovery for online social networking on the Internet. A social networking service (also social networking site, SNS or social media) is an online platform that is used by people to build social networks or social relations with other people who share similar personal or career interests, activities, backgrounds or real-life connections. The variety of stand-alone and built-in social networking services available online in the 2010s introduces challenges of definition, but there are some common) social networking services are interactive Web 2.0 Internet-based applications, user-generated content (UGC) such as text posts, digital photos and videos, "tagging" and online comments are the lifeblood of SNS organisms, users create service-specific user profiles about themselves for the site or "app" that are designed and maintained by the SNS organization social networking services facilitate the development of online social networks by connecting a user's profile with those of other individuals and/or groups who share similar interests or beliefs.