Twitter is not a Facebook killer. If you want to follow Lady Gaga's latest tweets (broadcasts), Twitter is for you. If you want to narrowcast photos for your fr

Twitter is not a Facebook killer. If you want to follow Lady Gaga's latest tweets (broadcasts), Twitter is for you. If you want to narrowcast photos for your friends to see, Facebook is for you. Then there's email / Skype / QQ / MSM for private communications.