lindalouwho: skybird659: How can he sell the rights to anything if he's already been diagnosed?
FTA-
"In March the Die Hard veteran's family shared news he was retiring from acting due to the condition, which is a neuro-cognitive disorder that effects the sufferers ability to speak and understand language. "
His guardian(s) are cashing in.

My understanding is that he totally knows what's going on, it's a complicated diagnosis.
And this is a pretty cool use of the technology.