For the disadvantages, Nielsen report explains that social networking can be a big waste of time that 17 percent of our Internet time down the non-productivity drain. While it is true that some of that time is likely spent in making and maintaining important business, social or professional connections, it is also true that it is easy to become distracted and end up spending valuable time on games, chats or other non-related activities. The Huffington Post reports Facebook users spend about six hours each month on the site, while social networkers spend three times as much time on those communities as they do on other online activities.