4 ms·
Interesting, but then if one person loses it, you're out of luck.
by mcav 17y ago
Interesting, but then if one person loses it, you're out of luck.
- paulgb 17y agoIf you want to get sophisticated you could use Reed-Solomon encoding to avoid this problem. http://en.wikipedia.org/wiki/Reed-Solomon_error_correction http://en.wikipedia.org/wiki/Reed-Solomon_error_correction