A theory about the Weighted Storage Cubes (Spoiler-free)

[oboewan42]

(this thread is 100% spoiler-free)

Being Weighted Storage Cubes, it would be reasonable to expect that they are being used to store something. But what, exactly?

My guess: potatoes. Discuss.

[knux1234]

i'd say all the Vital Organ in [insert Subject hometown]

[radladtim]

I say its full of cake

[joelyay]

im hiding it for what ever reason.
people, dead test subjects thus the companion cube can talk because he is not quite dead yet, this has been proven false but hey :P