‘The format is slick. Simply pop your earphones in and walk around the area. Your device’s GPS knows where you are, and feeds you appropriate audio stories from the area’s recent past. These location-specific tales are complemented by old photos, maps and (if you’re at a wifi spot) video. If you move out of a story location, your device remembers where you left off… so if you wander back again later, it resumes from the same point. In other words, witchcraft in your pocket.’
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