Apple has started replacing with iPads the iMacs that have traditionally served as kids’ areas in its retail stores. iMore reports that the kids’ tables, which previously held four iMac computers in an outward-facing display, now sport four iPads instead. As with the iMacs, the iPads have a variety of kid-friendly apps installed; it is unclear when the switch was made, or if Apple has yet made the switch at all of its retail stores. [via…