Use WD-40 to loosen or remove permanent marker, sealants, stickers, tape, labels, and other adhesives. Applying WD-40 to metal surfaces can both loosen and protect against corrosion. Repel pests ...

The year is 1953. Rocket Chemical, a struggling company in San Diego, sets out to create a rust-preventive solvent that can displace water. On the 40th attempt (note: 39 failures), they nailed it.