I worked with Seymour Papert when he was chairman of Logo Computer Systems. Also the author (with Marvin Minsky) of Perceptrons, an early book on Neural Networks. Really ahead of his time.
We never even tried email marketing at my current company. At my previous one we had a lot of issues (boss didn't believe that spamassassin would block our efforts, he was wrong (we weren't initially using an email marketing platform)). Now I am using Waalaxy, which does linkedin and email prospecting (I only use Linkedin). Since I rarely accept unexpected connection requests myself, I was quite surprised at the effectiveness of Waalaxy, about 10% of connections requests accepted out of 1000 sent, several meetings booked, now doing phone followup on the remainder of connections.
At LCSI we had assemblers and debugging tools for 6502, x86 and others written in LMI Lisp, which we used to create several popular commercial versions of Logo.
Not PDP-8, but PDP-11, the time my former boss went to Algeria to fix one on his own and succeeded. That's all I know about it. You can make up stuff to fill in the blanks.