Rumoured Metal Gear Solid 4 demo unlikely to appear

Furthermore, while any pre-release playable demo would most likely arrive in the form of the much talked about (and existing) Tokyo Game Show demonstration, the PSW article also notes that it will be the newly unveiled South American levels players will be able to "glimpse" via the Store.

Note the word "glimpse," which is more likely to mean that a video demo will be released in February – a video demo that’s distinctly non-playable.