Facebook is a walled-garden, Twitter is not. The humans in the middle of these two giants, are all confused. Meanwhile, Twitter needs to figure out how they ar

Facebook is a walled-garden, Twitter is not. The humans in the middle of these two giants, are all confused. Meanwhile, Twitter needs to figure out how they are preventing spammers and spam-bots from infiltrating the environment where humans supposed to tread...only if, they wish humans to use their service.