[UPDATE] I stopped the AWS instance due to the cost. They are now “on-demand”.
Finally got a bit of time to move the code and some sample data to a public server. The data are all real but not live. Also, I am using an old version of Highcharts.js. They are sitting on tiny t3.micro so be gentle.
crowd distribution streamgraph
Lastly, the monstrous scatterplot shows how each device moves on a day. This may freeze your browser. Wait >20 seconds for data to load and DO NOT refresh the page.