Back in 2011, two of the major social networks, Facebook and Skype, were working together to make video calling possible in Facebook Messenger. Facebook co-founder and CEO Mark Zuckerberg said at that time that Steve Ballmer (then-Microsoft CEO) and Zuckerberg were really aligned on this project. Facebook today launched video calling in Facebook Messenger for iPhone and Android and now there is no doubt that Facebook and Skype have broken up and Facebook was the one who dumped. Facebook and Skype, who once shared friendly association, parted their ways in 2013 when the former introduced a voice calling option that used its own technology. But the real rapture in these two companies was noticed a few months back when Facebook quietly stopped using Skype for video calls made from the desktop, replacing it with its in-house developed technology. Skype-powered video calls required users to install a browser plug in, while the technology that Facebook developed in-house works...