I never understood why Tesla insisted on calling its new battery factory a “Gigafactory.” It’s just a factory, after all, and we already have a word in English for that—“factory.” But then I saw it up close, and the enormity of it all is mind-boggling. When finished, it will be the largest factory in the entire world and the the biggest building in the world by footprint. Here’s why Tesla needs it.
Source: Gizmodo – Inside The Tesla Gigafactory, The Biggest Factory In The World