MTN’s Ayoba surpasses 25m monthly active users
MTN-backed Ayoba app targets disgruntled WhatsApp users
Tshwane turns to WhatsApp to boost citizen engagement
Viewpoint: WhatsApp Business a viable comms tool for SMEs
Why MTN is building its own messaging app
Google joins the personal conversation
Jongla sets sights on Africa's IM users
Pushing the boundaries of instant messaging
Gumtree adds instant messaging to app
Yahoo eyes instant messaging comeback
Global messaging traffic set for explosion
Global messaging revenue to dwindle