Bit rot may refer to:
* "
Bit Rot", a short story by Charles Stross
*
Data rot, the decay of electromagnetic charge in a computer's storage
**
Disc rot
Disc rot is the tendency of CD, DVD, or other optical discs to become unreadable because of physical or chemical deterioration. The causes include oxidation of the reflective layer, physical scuffing and abrasion of disc, reactions with contamina ...
, the deterioration of optical media such as DVDs and CDs
*
Software rot, the deterioration of unmaintained software
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