TechWhatsApp plans calls over the Internet: Network carriers and Skype should be worried WhatsApp is sticking it to the carriers with the addition of voice calls to its services, a move that might be seen as extremely hostile.by Vamien McKalin
TechFacebook's $19 bn headache: WhatsApp embarrassing outage traced to network router faultby Vamien McKalin
TechFacebook to buy WhatsApp for $19 bn: What does this mean for users of the messenger app?by Vamien McKalin