Technologies A robot that looks like the love child of an icebox and R2-D2

pulls up outside a house in San Francisco.

uncovering a box of pastries inside.

"I got a delivery from a little roaming cooler, it looks like,"

Julie O'Keefe, 67, tells the San Francisco Chronicle.A recent test run of startup Starship Technologies'

autonomous robot shows what may be the future of on-demand

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