Video Calling Start-Up Tango Gets $40M More

Eighteen months after it launched, Tango, the start-up competitor to Skype and Apple FaceTime, now has 45 million total users, with more than 10 percent of them active on a daily basis. Tango has been even more successful at attracting dollars; it just closed a Series C round from investors including Qualcomm Ventures and Access Industries, bringing the company to nearly $100 million raised.