OK, two nice ads from CBS Electronics.....no comment necessary I'd say....
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Level_42, on Flickr
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Of course they showed the Colecovision versions on the TV.
OK, here's another one from KIJK magazine. KIJK is a popular-science magazine aimed at young people. The Atari ad above was from the same magazine.
Now...a computer I think most of you never even heard of. The COMX 35. Yes the 35 is indicating it's 35 (!) Kb RAM memory

It is probably the only homecomputer to ever use the RCA 1802 processor.
The ad says "THE SAME RELIABLE TECHNOLOGY AS USED IN THE SPACE SHUTTLE"........uhhhhhh, yes this was before....
Wikipedia says the processor was used in Space Probes....that sounds different then "Space Shuttle" but oh well...
The strategy of the company importing these from Hong Kong to The Netherlands was to include a LOT of software when you bought the machine and offered a lot of support through courses etc.
The price was somewhere between the Atari 600XL (which was cheaper) and the C64 and 800XL (which were more expensive) at the moment, but it had inferior graphics and sound to both of these systems.
They sold 5 of these I guess

.....wikipedia says it was probably most popular in Holland but I have never seen one in my life.
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And then.....this is how Commodore tried to sell their computers. Strangely, they don't even mention which one !
Also..because this was in KIJK magazine, they tried to sell the machines as "scientific" as possible.
All the "regular" reasons for getting a homecomputer for serious stuff is mentioned, adressbook, tax-data, record-collection inventory, you name it.
And how about calculating that falling apple...yeah we really did that on those machines

I guess the machines sold themselves pretty well though

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Level_42, on Flickr