Sneakers That Find Wi-Fi for You

Wi-Fi signal detectors help you find Internet access when away from home. Typical Wi-Fi finders take the form of keychains or wristwatches produced by various manufacturers. One enterprising firm has even developed the concept of hotspot sniffing sneakers, although those shoes aren't for sale.
→ See also - Finding and Using Wi-Fi Hotspots, Free Wi-Fi Hotspot Finders