If you grew up in the '90s, you probably share a lot of strong memories with other '90s kids.From fashion to smells, there's almost nothing that can't give us flashbacks of our childhood. But one of the mostly strangely evocative trips down memory lane comes when we look at those plastic solo cups with the purple and blue designs.ThisIsWhyImBrokeThese disposable cups were everywhere in the '90s, and they fit right in with the bizarre designs of places like out favorite fast food restaurant. But, against all odds, the design is still around, and still selling like hot cakes