-42 points
If nothing is lost, what did you compress away? Decompression is magic, I ain’t gotta explain shit
22 points
If you want the magic explained, here’s a start: https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch
1 point
Newer fractional arithmetic encoding can get crazy
17 points
*
you compressed away redundant data, 1111111000000000011111111 -> (1x7)(0x10)(1x8)
12 points