A keypad, like the pen, can be mightier than the sword, and some governments impose social media blackouts. For the past year, Chad has prohibited the use of social media platforms like Facebook, Twitter and WhatsApp, reports Abdur Rahman Alfa Shaban for Africannews. The impoverished nation of about 15 million people has endured years of rebellion, civil war and extremists like Boko Haram. The...