Just because we are sitting at home does not mean we are anti-social. Sometimes its good to chat or collaborate on a project / document. Check out the following enterprise Facebook like tools.
<ul>
 	<li><a href="https://www.yammer.com" target="_blank" rel="noopener">Yammer</a></li>
 	<li><a href="https://podio.com" target="_blank" rel="noopener">Podio</a></li>
 	<li><a href="http://www.convo.com/" target="_blank" rel="noopener">Convo</a></li>
</ul>