You can find other people's phones via Bluetooth if yours and theirs are switched on, any phone, and message them via Bluetooth. Is that what you mean? Never heard it being a sole BlackBerry affair though.
Wireless dating, Widating or Bluedating (from Bluetooth) is a form of dating which makes use of mobile phone and Bluetooth technologies. Subscribers to the service enter details about themselves and about their ideal partner, as they would for other on-line dating services. When their mobile phone comes in the vicinity of that of another subscriber (a radius of about 10 meters) the phones exchange details of the two people. (The vicinity can be a public and populated space, like a pub, a department stores or hypermarket, a skyscraper, a hospital, a street, a plaza, a beach and so on — called blueplaces). If there is a match, then both users are alerted and can seek each other out and directly chat using Bluetooth (bluechat). Settings can include an option which restricts alerts to subscribers who have a friend in common.
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