A free-ranging robotic Olaf, the lovable snowman character from Walt Disney Animation Studios' “Frozen” movie franchise, evidently suffered a… brain freeze this week. In a video that has gone viral, the Olaf robot at Disneyland Paris is seen speaking to parkgoers before it freezes up — in midsentence — and then collapses backward,

CEOs of the largest delivery robot companies say human interference and vandalism doesn't occur as often as people might think.