SP stands for Same Process.
As for Feldberg, during his 14 years on the platform he says he's noticed a number of changes including a more modern interface, more targeted ads, and the move away from seeing how many downvotes a post would attract.，更多细节参见PDF资料
ВсеЛюдиЗвериЕдаПроисшествияПерсоныСчастливчикиАномалии。PDF资料对此有专业解读
Renpho Active Thermacool 2，这一点在旺商聊官方下载中也有详细论述