If only...this would have been a giant killer if the Walkman didn't take over the personal music player space first. https://inspirationhut.net/inspiration/modern-electricals-re-designed-for-the-70s-by-alex-varanese/
That is so wrong on so many levels. Here are some real adverts about Megabytes from around that time. http://mag.metamythic.com/old-hard-disk-drive-adverts/ Interestingly they mention the Iphone in the introduction, along with the fact that one company thought $200 a Megabyte was a bargain price. At that price your 160GByte would cost you $32 million I was wondering if there was that much storage in the world back then. From that figure there certainly was but it was probably a years output for one of those companies. Back in the early 1990s I used to arrange the £1000 a year maintenance contract for four 300MByte disc drives like this http://s3.computerhistory.org/groups/cdc-9760-smd.pdf We nicknamed them "Tumble Dryers" as they were about the same size and used a similar amount of power. Finally, going off topic here is an advert about computer memory size from a few years later. I had seen this in print but didn't realise there was a video version.
I remember when purchasing a computer long ago the store clerk laughed at me when I wanted a 500MB drive in my old Pentium! You'll never fill that up he said....
I remember working out how the computer companies could stop software piracy. Subsidise CD drives and distribute the software on full CDs which had to be in the drive for it to work. No one would be able to spare 640MB on their hard drive for a single pirated program. At the time I had 170MByte and 240Mbyte drives and a 4x CDROM in my 486DX2/66 Multimedia PC. At one point I fitted 20Mbyte of RAM but the BIOS had a 16MByte maximum.
C'mon Longman. It's just a funny ficticious advert. Just an exercise of imagination. I find it superb.