started in 2004.]]> People can create profiles on these sites.]]> soon followed.]]> believe social networking will help society.]]> dangers.]]> cause.]]> trying to use their account.]]> wasting time.]]> available to users.]]> employees need it to do their jobs.]]> good thing.]]> reported a problem.]]> creative.]]> led by people in the Middle East and North Africa.]]> connect with each other.]]>