Could Facebook be the first social operating system?

Listening to Bret Taylor, Facebook’s CTO speaking at Mobile World Congress yesterday, something struck me that the post-event reaction seems to have overlooked. Could Facebook be planning an operating system for mobile?

Facebook and mobile have enjoyed a harmonious relationship:  over 50% of Facebook’s 845 million users worldwide access the service through their mobile phone, and in developing countries these numbers are even more astounding. As reported by TechCrunch, 90% of Nigerian users access Facebook on their mobile devices and 30% of Indian users have set up new accounts via the mobile.

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