At present it becomes more and more famous to collaborate at home. People love to sleep longer and do their jobs when they would like to and not when they are required to complete them. It is a large convenience, specially for freelancers who love to work on their own and hate bosses and sitting at the desk from nine to five every day. It is also an ideal work for the individuals who would like to have part-time job. The advantageous are many as well as disadvantageous. More and more the individuals also collaborate in teams with other outworkers. They can cooperate together using Internet and time tracking computer program.