> “The vast bulk of Microsoft’s contributions has been to its own Hyper-V virtualization hypervisor drivers. Hyper-V is Microsoft’s 64-bit hypervisor-based virt

> “The vast bulk of Microsoft’s contributions has been to its own Hyper-V virtualization hypervisor drivers. Hyper-V is Microsoft’s 64-bit hypervisor-based virtualization system,” "whatever the reason might be" as if it wasn't clearly stated in the article.