GUI & ex11 (CLIM)

[Marc Ernst Eddy van Woerkom]

>   Oh, how I miss my old Symbolics machine!
>   Presentations were the cat's meow -- you would
>   "present" an object to the scrolling history of (etc)

Just a stupid question, if that environment was that
great, why has nobody cloned it in software?
Or was it related to the hardware in some way?

Or is some spectacular feature of it, one that
I post-Symbolics-born take for granted, in
use in some software today?

Regards,
Marc