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A government has a GPS tracking system for all its citizens. Every single cell phone used by a citizen sends its GPS coordinates via the government’s app to the cloud. The main goal is to identify traffic jams along the country. The app should stream the data and the streaming service should scale seamlessly without management beforehand. The streamed data should be checked against hotspots to identify if many coordinates were present near each other in the feature space. The output should trigger a function to send an SMS to the nearest traffic enforcers to act immediately. What is the most appropriate and cost-effective combination of services that the government should use?