People are becoming human sensor networks as mobile devices equipped with sensors passively collect location and environmental data during daily activities. This large network of "low-quality sensors" distributed across a wide area can provide useful real-time information with minimal infrastructure. Examples include bikes equipped to monitor pollution levels and traffic, wearable devices that track environmental conditions, and asthma inhalers that contribute to air quality mapping. The passive collection of this ambient data maximizes the potential of personal technologies while generating insights that can improve products, services, and communities.
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