Business TechHello world? Leaked images of WhatsApp voice-calling feature spotted on the Web Free voice call soon on WhatsApp? Perhaps the company is on the right track to fulfill its promise as images of a beta version of the messaging app featuring voice calling have surfaced on the Internet.by Randell Suba
TechWhatsApp plans calls over the Internet: Network carriers and Skype should be worriedby Vamien McKalin
