One can fight and lose all the same. Friendster fought against MySpace et al, and still lost ground because of its poor architecture. Facebook being 4th gener

One can fight and lose all the same. Friendster fought against MySpace et al, and still lost ground because of its poor architecture. Facebook being 4th generation social networking won't fail because of poor architecture, nor because of poor UI. It may fail due to privacy concerns though since its leadership seems fanatical about reducing restrictions to information, rather than allowing its users to segment themselves.