A super simple location based chat
MapChat is using ipinfo.io to identify the user location, since the geolcation API is no longer enabled in non-https websites.
iframe
to your website:
<iframe id="mapchat" type="text/html" width="640" height="480"
src="http://idoco.github.io/map-chat/#myTopic"
frameborder="0"></iframe>
This demo is hosted on GitHub pages and uses a single core Azure instance as the Vert.x SockJS server.