Hardware virtualization has become a vital aspect of IT departments at companies big and small. The idea that one machine can function as many machines is absolutely astounding and truly lends assistance to smaller companies that can therefore utilize PaaS, SaaS, or IaaS. With in-house applications being more expensive and resource-heavy than contracting a third party to host these applications, companies can also utilize further technological efficiencies to boost cost effective gains and increased productivity of core competencies.