Skype is shutting down. If you still use it, like I do, here are some alternatives

When Skype debuted in 2003, it was the first time I remember feeling that an individual app—and not just the broader internet—was radically disrupting communications.

Thanks to its implementation of the voice over internet protocol (VOIP) and its simple interface, the app allowed users worldwide to call virtually any phone number directly from their PC with ease, in addition to calling other Skype users via its peer-to-peer (P2P) network.

If you are too young to remember a time before smartphones...