005·76
default value pollution
/dɪˈfɔːlt ˈvæl.juː pəˈluː.ʃən/ - n.
1 [colloq.] The reason a company believes a meaningful share of its customers were born on the first of January, 1900.Keep. Punchy.This is the problem.
Working definition
2. The degradation of accuracy that occurs when placeholder or default entries — 01/01/1900, 99999, 'N/A' — accumulate and are later treated as real values.