I believe that these sensors could be a life changing product that could save many lives. Since some countries are not rich enough to use expensive equipment to detect earthquakes, this is a good alternative. It can be also very to use. Countries that are prone to having many earthquakes can have emergency evacuations to save children.
Here is the original article: http://www.popsci.com/technology/article/2012-03/taiwanese-students-use-cloud-based-seismic-sensors-monitor-earthquakes