Not the first time mobile apps are profiting on other people's misery and blood. Here are a few other examples:

On the MH370 Flight Crash: http://www.themalaymailonline.com/opinion/pearl-lee/article/...

I am sure there are plenty of other examples out there.

Any suggestions, links, or research on how TDA or compressed sensing can be used to make sense of spatiotemporal datasets (gridded climatology time series data, change/anomaly detection in time-lapsed satellite imagery etc.)?