2 ms·it is less typing, and less data. save the planet.by gameswithgo 8y agoit is less typing, and less data. save the planet.dboreham 8y ago'd' works too, or did for Leibniz..berbec 8y ago'Δ' must be a sign of Greenpeace membership, then.marvin 8y agoOnly if you've memorized how to type it. If you have to Google it beforehand, it serves as cheap signaling at best and an environmental transgression at worst.