How did our predecessors spread the word about an upcoming event without Snapchat, and how did anyone grill a perfect steak without infrared? As much as apps such as Uber and Songza define how Memorial Day parties are done in 2014, back in the early 1980s, innovation was just as influential in making a party memorable. We have the '80s to thank for the boombox, CDs and Polaroid.
Infographic by: mashable
Infographic by: mashable