I just discovered this old Jet Set Radio magazine ad, and honestly I'm in love.pic.twitter.com/RnqAQ67zB8
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I think it was due to a copyright or trademark of an existing thing that caused the name change in the States.
I always chalked the name change up to Sega trying to appeal to the Extreme Sports/Tony Hawk crowd of the time. That being said I'm not a fan of the name "Jet Grind Radio". At all. I hate it.
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