When weatherman Phil Connors, played by Bill Murray,labels himself a god in the mid-90s classic, Groundhog Day, it's as much a declaration about how much he knows as it is about his apparent immortality.
"Maybe God isn't omnipotent," he posits, after rattling off intimate details about seemingly perfect strangers in a diner, "Maybe he's just been around so long, he knows everything."
Knowing everything about shopping habits and customers’ preferences has long been a retailer's dream. But until big data analytics came on the scene, that "everything" was elusive.
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