To start using Linked In you need to register and create a profile page.
To register to Linked In, you need to provide personal information.
As part of terms of My Space, the user must be at least 14 years old to register. Twitter: Twitter is a very simple service that is rapidly becoming one of the most talked-about social networking service providers.
In fact, many of us today use Twitter and Facebook to promote our existing and upcoming businesses.
You can meet others in public rooms (nightclubs, restaurants, shops) and create private rooms for selected friends.
Habbo employees heavily moderate the site, catering to its solid teen user base.
Additionally, you can choose to stop following a specific person's feed. Linked In: Linked In is an online social network for business professionals, which is designed specifically for professional networking, to help them find a job, discover sales leads, connect with potential business partners.
Unlike most of the other social networks, Linked In does not focus on making friends or sharing media like photos, videos and music.