[she doesn't move, except for her eyebrows - which practically shoot up into her hairline.]

...Sounds like you have a lot of catching up to do.

[but Shepard's nothing if not friendly and helpful, so she smiles encouragingly and explains without condescension:] What she meant by "VI" is a virtual intelligence. I can't think for itself, not in the true sense, but it can do a lot of simple tasks for you. Did you figure out how to bring out your omni-tool yet?