The photo-sharing site saw a 23% jump in active users over 2013 while its parent company, Facebook, saw a 3% drop. Facebook is still head and shoulders above all other social media platforms -- it is still by far the most popular and widely used social network across the globe. However, according to the latest data from international marketing research firm GlobalWebIndex, it's the newer networks where all the action is. Nielsen's annual list of the most popular smartphone apps in the US over 2013, published in December, highlighted how Instagram had come from nowhere to occupy the number-seven spot with 31,992,000 unique monthly users on iOS and Android devices.



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