Google's automated reservation service, Duplex, has rolled out almost all over the US (except for Kentucky and Louisiana) after it became available as a limited test following last year's announcement at Google I/O. Over time, the company has received both criticism and praise for it, and it was certainly very interesting to see the service growing. In an interim conclusion, Google has now stated that currently about 25 percent of calls placed through the Duplex service are actually conducted by humans, and that in about 15 percent of robot calls a human has to intervene at some point.

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