Interesting fact: When shopping carts first came out no one used them - they thought the store was trying to trick them into buying more than they needed (duh).
So the stores hired lovely women to push around carts -women who did a fair job of pretending to be enviable suburban housewives out shopping. Soon, women who wanted to be like those other women, and men who wanted to meet them by the cart rack, started using them too.
Then some wrench-diddler made this fucking thing.
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"Jelly-belly gigglin, dancin and a-wigglin, honey that's the way I am!" Janice the Muppet