A. WhatsApp
B. Skype
C. Facebook
D. Twitter

Solution

C. Facebook

Explanation

Facebook launched its "Express Wi-Fi" in India to help more people get online. It means a Free Basics platform, ties up with entrepreneurs to help them set up public WiFi hotspots and helping them provide internet to a lot of citizens in poor or no connectivity areas. The service is now available via 700 hotspots across four states of Uttarakhand, Gujarat, Rajasthan and Meghalaya. Apart from India, "Express Wi-Fi" services are currently active in Indonesia, Kenya, Nigeria, and Tanzania.