Forget smart glasses. Now you can have smart nails.
There is a "smart" version of just about everything these days. Now, thanks to the Japanese company H2L, you can even get SmartNails.
The fake fingernails, which are available on Amazon for 980 yen (roughly $9.60 USD), work very easily. All you have to do is apply the SmartNails, and then whenever you use a pre-paid card, like a train pass for example, your fingernails will light up and blink.
The manufacturers of SmartNails say they last anywhere between three and four weeks, but they recommend to stay away from microwaves, heaters and any kind of static. The radiation from those devices can cause problems when mixed with the SmartNails.
The upside is that wearing them at the train station will make it look like you are always partying, even when you're on a simple commute.
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