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radioactive points
- noun The concept that points should
disappear naturally over time, either in real time or per hour played. The
former approach will tend to cull the persona
file of high-ranking personae
who haven't played for ages, whereas the latter will make life difficult for
plodders. Radioactive points will usually
be lost in proportion to overall score, and can thus be explained in terms of
half-lives. Example: reducing all scores in the persona
file by 0.1% generates a half life of approximately 693 time units
(because 0.999^693 is 0.5). Doing this every week will therefore halve
everyone's points after 13 years 4 months (!); doing it every hour will
halve them roughly every month (!). Radioactive points are usually
not implemented in MUAs precisely because it's so hard
to get the half life period finely tuned enough to achieve the desired effect
(unless the desired effect is to drive everyone away!).
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