Social media site G+, a community of professionals, entrepreneurs and academics, put together this detailed infographic . Valuations of social media companies are found below: Facebook – $75 Billion Twitter – $ 7.7 Billion LinkedIn – $ 9 Billion Skype – $ 8.5 Billion Groupon – $ 25 Billion But are they overvalued? … Continue reading What 5 Top Social Media Sites are Worth