For more context, here's the specification of its predecessor, the I-Machine: http://www.bitsavers.org/pdf/symbolics/I_Machine/I-Machine_A...

A lecture at MIT about the I-Machine: https://www.youtube.com/watch?v=e39LnDVBl4c

I used a Symbolics Lisp machine in 1987. I developed Prolog programs on it. It was great. Like your own small mainframe.

What kind of work were you doing? They were several times the price of a highend PC at the time, right?

One would think you would develop lisp programs on a lisp machine.

Lisp Machines also had microcode to help run prolog faster.

I meant what industry/application of course

Make sure your mature content filter is turned on if you decide to Google Sunstone at work.

Why's that? A quick google with no filters gave me nothing NSFW

Because there is an online comic of adult humans with BDSM themes which features lesbians and a diverse set of well written characters living an urban, queer and kink positive life under that name. This might violate conservative sensibilities. Also contains pre-marital sex, sexualisation of the male body and non traditionally attractive and mostly average looking females.

Stjepan Sejic is a very good artist / storyteller and his work with the majors and his other independent projects are amazing. Death Vigil is amazing.

Maybe the curse of personalized search results struck for OP

seems to be a document from oct 1987 with updates from feb 1988 randomly interleaved?