from the start-of-something-new dept.
mateuscb writes "A few years ago, social networking Web sites were just some newfangled technology that college students loved. But over time, they have metamorphosed into an unavoidable Internet phenomenon that is changing the way people of all ages keep in touch with friends, find long-lost acquaintances, explore new hobbies and even look for employment."
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.