Andreas Bernstrom is CEO of Rebtel, the second-largest mobile voice over IP telephony company.
Since the launch of the Google’s Android OS in 2007, the choice for the majority of smartphone users eager to get their hands on ‘the next best thing’ has rested between two high-profile competitors: Google and Apple.
But a familiar contender is looming in the shadows, and I believe its success has yet to be fully realized.
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