3 ms·It's only the same model if you ignore the large psychological difference.by ericd 8y agoIt's only the same model if you ignore the large psychological difference.deleted 8y ago[deleted]kipchak 8y agoI remember this being used early on in WoW; in order to keep people from playing too long XP earned decreased over time. After complains it was changed to a boost for time spent logged out which was much more popular.ericd 8y agoHa! Great example.