UnderCurrent loves the modern personal video recorder! The ability to watch Mad Men while taping two other programs means one is only missing 150 channels of contents at any one time.

It's hard to imagine life without such a fantastic piece of technology, but there was a time, not so long ago, when just the thought of recording a program to watch later was revolutionary. When VCRs first came out, it fell on the advertising industry to communicate the benefits of these new devices so, in honour of Mad Men's return to our TV screens, here is a triple play of their best work promoting VCR technology:

Rewind to 1977: Sony was mad for Beta. And cab drivers:

Fast forward to 1979, and here is a spot for RCA SelectaVision:

Hit pause in 1987, when Panasonic was "just slightly ahead of our time":