Early in November 2014, Microsoft announced that Skype would work within a browser. For the time being, one would need a traditional computer to install a plug-in but only until Skype implements the WebRTC standard. After implementing the WebRTC standard, Skype would work on the Chromebook. Mozilla and Google are already far in the WebRTC development so the opportunity to Skype from a Chromebook is likely going to happen very soon. If Skype doesn't do it, they would be quickly moved aside by browser based WebRTC solutions such as Mozilla's Firefox Hello and Google Hangout. Here's a link to WebRTC if you want to look more into it. With Mozilla Firefox beta, you could try the WebRTC feature by using Firefox Hello .
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