Nokia Lumia 920 Update: Storage Check on Windows Phone 8

Storage Check is a brand new feature that got added to Windows Phone 8 as a result of a recent update delivered to Nokia Lumia 920. When I first got this phone I was confused as to how can I clean the memory on this phone. I couldn't even view the memory consumed by the apps that I installed on the phone. Hence, even though I did not have a lot of multimedia on the phone, I could see half my mass