You think you're a gadget freak? (part 2)

This is one of the oldest personal computer advertisements I have found so far;

"Minivac", 1961
-click to enlarge-

It was offered as an educational tool, for learning the principles of binary logic; just like in the big computers. And it was designed by *the* Claude Shannon to boot. 

If you're a geek, you know you want one of these.