A DIY tinker has created something very interesting using a 17-year-old fourth-generation iPod. For those who may not have been around during the fourth-generation iPod era, it’s the old one with the big click wheel and monotone screen. The guy behind the project says that he was given a bag of old iPods and decided to modify one.

His goal was to add modern features to the iPod, including streaming music, search, and Bluetooth audio support. 
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https://www.slashgear.com/spot-project-allows-spotify-streaming-using-a-4th-gen-ipod-29657305/