A Superman Product (SP) is any product or service which gives your user superpowers. It allows them to do amazing things, even if they’re not a specialist in the field that the SP is designed for.
An example is the iPhone camera - anyone can take great pictures, without being a trained photographer. The iPhone gave them super powers.
The ability to take amazing photographs existed long before the iPhone came along. The innovation was bringing the power to a much wider user base.
Could someone build a bed from scratch? Maybe, maybe not. Could they build a flatpack bed from IKEA? Most probably.
Could people have designed professional business cards themselves? They certainly can now, with no knowledge of graphic design, through all the print on demand services online.
What other SP products are still waiting to be invented?