A picture that understands how much technology has developed in about 30 years

It is a picture that shows that technology has developed amazingly in about 30 years. As you can see from this picture, what you currently use casually is decades ago.

Pictures are as follows.
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In 1980, we needed a huge HDD on the left to save 1 GB of data, but now we are finished with one right SD card. If you compare and compare them in this way, you will feel the advancement of technology continually.

By the way it's like 8 GB. I just ordered, but this is spectacular if there is only this.
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When microSD is reached, the difference in size further diffuses.