Plus, the WiFi and Bluetooth-based approaches have less of a drain on the battery life.
But privacy concerns are a significant issue, he added, more so in some jurisdictions than others.
"Germany is a big market for us, and there we have very much the workers' unions that are challenging us on these questions," he said. "In Germany, if a company has to make use of the GPS data, it needs to require a representative of the workers' union and someone from the IT department to look the information up."
Foeckl said that CoSoSys works with customers' requirements to protect the privacy of the device owners.
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