Galaxy Nexus doesn't support USB mass storage (reddit.com)

Informative, authoritative (?) comment on that thread:

http://www.reddit.com/r/Android/comments/mg14z/whoa_whoa_ics...

It still doesn't state if I can plug in a USB stick and watch a movie from that (usb host mode). 16GB is very limited, and only the LTE version is available with 32GB.