At Raglan Castle, a late medieval castle located in the county of Monmouthshire in south east Wales, the officials that managed it ran a trial to distribute audio files to visitors’ mobile phones using Bluetooth.

According to Tom at Lexemetch.com, “As I walked through the entrance I simply made my phone discoverable, waited a few seconds for the MP3 to download, then started listening to a guided tour of the castle. It’s a great use of the technology: it just worked…”

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