Hotel Room Keys
Wouldn't it be more convenient to send a QR code to your phone to scan at your hotel room door rather than risk losing a key that is as slim as a credit card? The future is now and hotels should be capitalizing on this genius idea. It would also save them on plastic and would be much more environmentally friendly.
CDs
The last place CDs probably have any sort of use is in the car. However, with the introduction of online streaming platforms like Spotify and iTunes, nobody even owns CD players anymore. Yes, CDs are nostalgic, but they also take up tons of physical space.
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