
The Windows 8.1 Viber app (free) is its latest incarnation, having landed in the last month of 2013. Viber doesn't add a whole lot to the Skype model, actually lacking several of the bigger player's major features, but it's a well designed and economical way to send text messages and place VoIP calls.

First there was email, then instant messaging, then Skype, then WhatsApp, then Facebook Messenger, and on and on.

How to Save Money on Your Cell Phone Bill.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.
