OpenSignal Nets $4M To Build Out Its Crowdsourced Mobile Sensor Data Maps | TechCrunch

techcrunch.com/2014/08/05/opensignal-series-a/?ncid=rss&utm_source=feedburner...

Crowdsourced mobile signal mapper OpenSignal has closed a $4 million Series A funding round, led by chipmaker Qualcomm via its investment arm, Qualcomm..

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