Search engines doesn't update immediately, they look the sites every "tot" days and then update the links. Changing things doesn't always permit back-compatibility: in this case, this is not dramatic... really, I think it is a lot less dramatic than the incompatibility between Triton and M3 sounds


The comparison with the telephon number is totally pointless. You need infos? Go to www.korg.com and search what you need.
For discontinued products: there are no infos until now, but there is the space and the pages ready to be filled of infos, and the downloads are still there. Give them time
