POV: You realise Apple products went from “overpriced” to “most value for money” in 2026.
> Base Macbook Air with 512gb ssd
> Base Macbook Air with 16gb ram
> Base iPhone with 256gb storage
> Base iPhone with 120hz display
How does a 75GB file become 20GB when zipped ?
And then magically turn back to 75GB again ?
Let’s break the illusion:
- Zip files don’t delete data
- They remove repetition
Example
If a file has:
AAAAAAABBBBBBBCCCCCCC
Zip stores it as:
A x7, B x7, C x7
Less space. Same info.
Most large files have patterns
– Repeated text
– Similar pixels
– Duplicate metadata
– Redundant code blocks
Compression algorithms:
– Find repetition
– Store it once
– Add a map to rebuild it later
That map is why the file can become FULL SIZE again.
Nothing is created. Nothing is lost.
Just reconstructed.
Why some files barely shrink ?
– Videos (already compressed)
– Images like JPG/PNG
– Encrypted files
They have less repetition that leads to less compression.
- Zip isn’t Magic
- Zip is actually smart math + patterns
Data wasn’t reduced.
It was packed efficiently.
Button cell battery names are actually codes include the chemistry, shape, diameter and thickness.
CR2032 is C lithium, R round, 20mm diamter, 3.2mm thick