We've written before how Zoe uses her Tobii eye-gaze computer to express herself, both at home and in school. Here, though, what she's really displaying is remarkable restraint and patience with her little brother, who can't keep out of the way, and obviously likes to state the obvious. If we were being generous, we'd say he was modelling for his sister, but he's really thinking of one person and their tummy, even though he'd just eaten. You can watch the video of the action here.
If you do want to read a compelling piece about augmentative communication we enjoyed this week, check out this post from another special needs parent.