by putting in a bad crc for the last segment
they keep you on line to leech your files.

I have seen 30% of an 800 meg file dropped time and time
again.
Some times your lucky and you get the final bit from another
source.
YOu have to pay attention sometimes to the stats and names.
98% -> 69% -> 75% -> 81% -> 71% -> 75% -> 79% -> 95%
-> 75%

Sometimes the network is bent by the ( Stars Wars terminology)