Halo: The Master Chief Collection will have a 20GB day one "content update".

[elazz]

daredevil.shark said:

iceland said:
That's cray cray @_@

This may be a possibility.

Amel Kukuruzovic ‏@Airtrap

@ChazTyldsley @VG_Dave The "20GB Content" is probably not finished till days before launched but the discs need to be printed already ...

 

Source:

If true than this is a ripoff because then you buy a disc that won't even work fully without Internet.