Crosswords1 min ago
Bluetooth and sim cards
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Can anyone tell me when bluetooth headsets first appeared, and also when were the first SIM cards intoduced? Thanks.
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The Bluetooth specification was developed in 1994 by Sven Mattisson and Jaap Haartsen, who were working for Ericsson Mobile Platforms in Lund, Sweden.[2] The specifications were formalized by the Bluetooth Special Interest Group (SIG). The SIG was formally announced on May 20, 1998.
http://en.wikipedia.org/wiki/Bluetooth
The Bluetooth specification was developed in 1994 by Sven Mattisson and Jaap Haartsen, who were working for Ericsson Mobile Platforms in Lund, Sweden.[2] The specifications were formalized by the Bluetooth Special Interest Group (SIG). The SIG was formally announced on May 20, 1998.
http://en.wikipedia.org/wiki/Bluetooth