How do you get the best of successful Social Networking, both on desktop and on mobile? A: Get the biggest and the best in desktop, to buy the biggest and the best on mobile. You may have heard that Facebook have bought the much beloved Instagram, for a price of epic proportion: One billion dollars. A brave and curious move by Mark Zuckerburg, considering a few days ago Instagram’s full value was little over 500 million dollars. So, why double the price? It makes clear sense now.