Below is a link to a video from Art of Manliness about shaving. Obviously it is a humorous video and they've used various techniques (degrading the auido, video etc) to make it appear to be an old infomercial.
What I'm most interested in is how they create that effect where the title cards bounce and move about slightly. Obviously in old movies title cards didn't remain still like they do today, they moved slightly frame to frame.
I'm looking to recreate this effect on my next project but have no idea where to start. Any suggestions? I'm relatively new to After Effects so keep that in mind if you respond!
I'm sure there are other film plugins which do the same thing. You could do it without a plugin, by just introducing a slight amount of side to side motion over time using the Wiggle settings. This tutorial could prove useful for constraining Wiggle to a single axis: