This month Microsoft will be replacing Lync with Skype for Business. Skype for Business will include all the same features but have a new look: The new Skype for Business will do everything you're accustomed to with Lync: chat, video calls and screen sharing. It now has the added benefit of being able to connect with Skype users as well by searching the global Skype directory.
A few links for more in-depth information:
Preview version download - please note that Skype for Business is NOT officially released yet (but it will be soon!) If you're not a technical user, I would advise against installing.
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