It was started in 2004. People can create profiles on these sites. Other websites like it soon followed. They believe social networking will help society. They also think it presents new dangers. It also helped them promote and share their cause. Some people noticed that a stranger was trying to use their account. Others are just wasting time. They are always available to users. Some employees need it to do their jobs. Some people think this is a good thing. In 2012, 7 million households that use Facebook reported a problem. President Barack Obama said doing this would make the government more open and creative. It was a series of protests led by people in the Middle East and North Africa. It allowed them to connect with each other.