Metrics company Comscore has come out with a study on global Internet use by hours spent surfing. Surprisingly, Microsoft’s range of websites – in particular Windows Live Messenger – leads, with 15% of time spent online globally.

However at the same time as Australian website Digital Media points out, YouTube and Facebook, arguably the two highest profile players in the social media category, took up almost 10% of the 27 billion global Internet hours people in Sept 09.

Looking at Facebook, its share of hours grew by 193%. It also over-indexes significantly in both Europe (6.6% share vs 5.1% globally), and the Middle East / Africa (where it has 8%).

It’s worth noting that Comscore’s data excluded time spent surfing from a mobile device. If that had been factored in, then Facebook’s share would almost certainly have been higher. According to Facebook’s Director of Mobile, Henri Moissinac, the network now has 65 million mobile users – or 25% of its total reach.

Recently, stats showed that Facebook had reached almost 100 million users in Europe. Though the UK is by far the leading territory with 20+ million plus users, the network showed particularly strong growth in Italy, Germany and Turkey.

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