Across the Universe

Cleverly concise and creative comment on this article: http://www.wired.com/wiredscience/2011/12/universe-size/

Most people perhaps imagine themselves to be in the centre of an unfathomable sphere with an 'outside', (familiar to the concepts we have evolved as a species in our everyday environment).
However, the 'shell' of that sphere is actually the single point source of the big bang.
So, for any observer anywhere in the Universe, all directions lead back to the source and are the same distance.
1. This means that an observer is always at the centre of their Universe, wherever they are.
2. In their respective reference frames, they are also the furthest away from the big bang, so in terms of time, they are also at the edge.
Because of relativity, you will be at the centre and at edge at the same time, wherever you go.
There is no "outside", except time before the big bang, and time beyond the present.
I imagine the Universe as a sphere turned inside out. In 3D the surface becomes the centre, while in 4D the centre is the 'edge'.
Imagination can ignore relativity and consider 'now' at anywhere else in space, but reality is constrained by it. Any civilisation evolving from the 'red blob' looking back at us 'now' may see the same kind of redshifted blob destined to produce us!