Kirusa’s InstaVoice® Service breezes past 100 Million monthly Active Users: Kirusa (www.Kirusa.com), a global leader in providing mobile and social media solutions, today announced that its InstaVoice® service has reached the remarkable landmark of 100 million monthly active users. InstaVoice is highly popular amongst the mobile subscriber base in Africa. Nigeria tops … [Read more...] about Kirusa’s InstaVoice® Service breezes past 100 Million monthly Active Users