Social networking sites are very helpful and connected to pepole's of the world.These below sites are providing oppertunity to Share your IDEA'S,PHOTO ,BUSINESS,PRODUCTS,BLOGS,ARTICLES,VIDEOS,ACTIVITY,INTEREST,BACKGROUND or REAL LIFE COONECTION,etc bad brain activities..hahahahah.... social sites give the way to make new friend and meet new people .There are various kind of social site below here but i have given those listed to all famous and most useful websites.....which have give the 100% result of your BUSINESS,etc.. Social network sites are varied and they incorporate new information and communication tools such as mobile connectivity, photo/video/sharing and blogging. Some of these social networks are general interest, some are niche-lifestyle or interest-specific, and others are widely used internationally and have not yet grown in the United States. Businesses can take advantage of very specific markets and demographics by exploring these 70 social networks and targeting their users to grow their brands in new and exciting ways. Professional use of social networking services refers to the employment of a network site to connect with other professionals within a given field of interest. SNSs like LinkedIn, a social networking websitegeared towards companies and industry professionals looking to make new business contacts or keep in touch with previous co-workers, affiliates, and clients.Social media is infiltrating the planet. Facebook has been the leader in this industry for almost a decade; but what if your relationship has soured with the platform? The company has made many changes over the years regarding security and advertising that have frankly, miffed a lot of people.