gps

Apple has bought WifiSlam, an indoor mobile location service, as the Silicon Valley giant continues to compete with Google in mapping capabilities.

The deal closed recently for $20m, according to a report by the Wall Street Journal, citing an unnamed source.

WifiSlam’s technology uses ambient wireless signals that are already present in buildings to pinpoint the location of smartphones, as opposed to the space-based satellite signals relied upon for larger-scale GPS mapping and navigation systems. 

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