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What is the use case for applications like PDAnet or Android Wifi Tether supporting sharing wifi over Bluetooth? A friend and I were discussing this, and neither of us could figure out why you would need to redistribute wifi over a Bluetooth connection. In most cases, said receiving device would already have wifi. Any clues would be appreciated.

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closed as not constructive by Sathya, random May 10 '10 at 23:42

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If her Android has a WPA connection to the WAP, and you don't have the password for the encryption, you could proxy your IP through her Android.

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Well, most mobile phones have Bluetooth, but many do not have WiFi. I believe one reason is that WiFi is significantly more power-hungry than bluetooth (logical, given its greater range). If you wanted to connect such a (smart)phone to the Internet, WiFi to Bluetooth would be quite useful.

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