Five apps for video calls and collaboration


Tango is a popular video communications app that is similar in approach to Skype -- free calls between mobile devices or between computers and phones, as long as you've downloaded and installed Tango. I have a Windows Phone and downloaded Tango, but unfortunately I couldn't try out the video feature.

About Katherine Murray

Katherine Murray is a technology writer and the author of more than 60 books on a variety of topics, ranging from small business technology to green computing to blogging to Microsoft Office 2010. Her most recent books include Microsoft Office 2010 P...

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