DUBAI (Reuters) – Twitter Inc launched advertising services in the Middle East and North Africa on Sunday as the social media firm seeks to exploit a tripling of its regional subscriber base following its widespread use during the Arab Spring protests. Digital advertising is relatively undeveloped in the region, accounting for an estimated 4 percent of its total advertising spending, but a young, tech-savvy population and rising Internet penetration points to significant potential for growth. …

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Twitter launches advertising services in Middle East