Care to elaborate on any of those so I can show you were the original ideas can from.
For example, the Finder. What are you suggesting is Windows-like? The side bar is a direct descendant from the NeXT shelf that was on every windows in NEXTSTEP/OPENSTEP's workspace manager.
File Vault was just taking something I had my clients doing for a long time a step further. I had been using encrypted disk images for quite some time, Apple just took it a step further with making the user directory an encrypted image.
And video conferencing has been around for more than 10 years (my 1993 SGI came with the software and hardware needed to to it). The major step forward was that Apple is using the existing AIM network to provide an easy way to connect to each other.