+This evolved to a specification known as the OpenPOWER ISA. In 2019 IBM made the OpenPOWER ISA [[!wikipedia Open_source]], to be looked after by the existing [[!wikipedia OpenPOWER_Foundation]]. Here is a longer history of [[!wikipedia IBM_POWER_microprocessors]]. These IBM proprietary processors
+happen to implement what is now known as the OpenPOWER ISA. The names
+POWER8, POWER9, POWER10 etc. are product designations equivalent to Intel
+i5, i7, i9 etc. and are frequently conflated with versions of the OpenPOWER ISA (v2.08, v3.0, v3.1).