Second company applies for permit to operate delivery robots in San Francisco

SAN FRANCISCO (KGO) -- A second company has applied for a permit to operate delivery robots in San Francisco.

According to the San Francisco Chronicle, Marble wants to start testing its autonomous bots.

RELATED: Postmates gets permit to test robot delivery on San Francisco sidewalks

The company says it sees quote "tremendous potential for robot delivery" in the city.

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Last week, we told you Postmates has already received a permit to start testing its bots - but only with a human escort.